Home / 2,072,643.80-3,109,898.80-1,124,593.88

Finding the Fourth Proportional to 2,072,643.80, 3,109,898.80 and 1,124,593.88

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Solution

The fourth proportional to 2,072,643.80, 3,109,898.80 and 1,124,593.88 is: 1,687,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,643.80 : 3,109,898.80 = 1,124,593.88 : x
  2. Step 2: Convert to fraction form
    2,072,643.80/3,109,898.80 = 1,124,593.88/x
  3. Step 3: Cross multiply
    2,072,643.80x = 3,109,898.80 × 1,124,593.88
  4. Step 4: Simplify right side
    2,072,643.80x = 3,497,373,157,899.34
  5. Step 5: Solve for x
    x = 3,497,373,157,899.34/2,072,643.80
  6. Step 6: Final answer
    x = 1,687,397.11

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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.