Home / 2,876,242.79-3,969,210.64-1,587,082.83

Finding the Fourth Proportional to 2,876,242.79, 3,969,210.64 and 1,587,082.83

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Solution

The fourth proportional to 2,876,242.79, 3,969,210.64 and 1,587,082.83 is: 2,190,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,242.79 : 3,969,210.64 = 1,587,082.83 : x
  2. Step 2: Convert to fraction form
    2,876,242.79/3,969,210.64 = 1,587,082.83/x
  3. Step 3: Cross multiply
    2,876,242.79x = 3,969,210.64 × 1,587,082.83
  4. Step 4: Simplify right side
    2,876,242.79x = 6,299,466,055,397.31
  5. Step 5: Solve for x
    x = 6,299,466,055,397.31/2,876,242.79
  6. Step 6: Final answer
    x = 2,190,171.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.