Home / 3,500,439.80-5,250,659.70-2,977,892.60

Finding the Fourth Proportional to 3,500,439.80, 5,250,659.70 and 2,977,892.60

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Solution

The fourth proportional to 3,500,439.80, 5,250,659.70 and 2,977,892.60 is: 4,466,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,439.80 : 5,250,659.70 = 2,977,892.60 : x
  2. Step 2: Convert to fraction form
    3,500,439.80/5,250,659.70 = 2,977,892.60/x
  3. Step 3: Cross multiply
    3,500,439.80x = 5,250,659.70 × 2,977,892.60
  4. Step 4: Simplify right side
    3,500,439.80x = 15,635,900,665,748.22
  5. Step 5: Solve for x
    x = 15,635,900,665,748.22/3,500,439.80
  6. Step 6: Final answer
    x = 4,466,838.90

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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.