Home / 6,309,486.40-9,464,229.60-1,821,908.80

Finding the Fourth Proportional to 6,309,486.40, 9,464,229.60 and 1,821,908.80

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Solution

The fourth proportional to 6,309,486.40, 9,464,229.60 and 1,821,908.80 is: 2,732,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309,486.40 : 9,464,229.60 = 1,821,908.80 : x
  2. Step 2: Convert to fraction form
    6,309,486.40/9,464,229.60 = 1,821,908.80/x
  3. Step 3: Cross multiply
    6,309,486.40x = 9,464,229.60 × 1,821,908.80
  4. Step 4: Simplify right side
    6,309,486.40x = 17,242,963,193,460.48
  5. Step 5: Solve for x
    x = 17,242,963,193,460.48/6,309,486.40
  6. Step 6: Final answer
    x = 2,732,863.20

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Double scale
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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.