Home / 6,998,680.40-10,498,020.60-1,679,896.40

Finding the Fourth Proportional to 6,998,680.40, 10,498,020.60 and 1,679,896.40

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Solution

The fourth proportional to 6,998,680.40, 10,498,020.60 and 1,679,896.40 is: 2,519,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998,680.40 : 10,498,020.60 = 1,679,896.40 : x
  2. Step 2: Convert to fraction form
    6,998,680.40/10,498,020.60 = 1,679,896.40/x
  3. Step 3: Cross multiply
    6,998,680.40x = 10,498,020.60 × 1,679,896.40
  4. Step 4: Simplify right side
    6,998,680.40x = 17,635,587,013,065.84
  5. Step 5: Solve for x
    x = 17,635,587,013,065.84/6,998,680.40
  6. Step 6: Final answer
    x = 2,519,844.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.