Home / 2,664,890.40-3,997,335.60-670,346.40

Finding the Fourth Proportional to 2,664,890.40, 3,997,335.60 and 670,346.40

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Solution

The fourth proportional to 2,664,890.40, 3,997,335.60 and 670,346.40 is: 1,005,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,890.40 : 3,997,335.60 = 670,346.40 : x
  2. Step 2: Convert to fraction form
    2,664,890.40/3,997,335.60 = 670,346.40/x
  3. Step 3: Cross multiply
    2,664,890.40x = 3,997,335.60 × 670,346.40
  4. Step 4: Simplify right side
    2,664,890.40x = 2,679,599,529,051.84
  5. Step 5: Solve for x
    x = 2,679,599,529,051.84/2,664,890.40
  6. Step 6: Final answer
    x = 1,005,519.60

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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.