Home / 3,687,362.28-5,088,541.77-2,138,937.12

Finding the Fourth Proportional to 3,687,362.28, 5,088,541.77 and 2,138,937.12

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Solution

The fourth proportional to 3,687,362.28, 5,088,541.77 and 2,138,937.12 is: 2,951,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687,362.28 : 5,088,541.77 = 2,138,937.12 : x
  2. Step 2: Convert to fraction form
    3,687,362.28/5,088,541.77 = 2,138,937.12/x
  3. Step 3: Cross multiply
    3,687,362.28x = 5,088,541.77 × 2,138,937.12
  4. Step 4: Simplify right side
    3,687,362.28x = 10,884,070,878,523.50
  5. Step 5: Solve for x
    x = 10,884,070,878,523.50/3,687,362.28
  6. Step 6: Final answer
    x = 2,951,722.68

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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.