Home / 6,143,998.60-9,215,997.90-1,656,728.20

Finding the Fourth Proportional to 6,143,998.60, 9,215,997.90 and 1,656,728.20

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Solution

The fourth proportional to 6,143,998.60, 9,215,997.90 and 1,656,728.20 is: 2,485,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143,998.60 : 9,215,997.90 = 1,656,728.20 : x
  2. Step 2: Convert to fraction form
    6,143,998.60/9,215,997.90 = 1,656,728.20/x
  3. Step 3: Cross multiply
    6,143,998.60x = 9,215,997.90 × 1,656,728.20
  4. Step 4: Simplify right side
    6,143,998.60x = 15,268,403,612,070.78
  5. Step 5: Solve for x
    x = 15,268,403,612,070.78/6,143,998.60
  6. Step 6: Final answer
    x = 2,485,092.30

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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.