Home / 1,937,534.20-2,904,989.10-990,125.80

Finding the Fourth Proportional to 1,937,534.20, 2,904,989.10 and 990,125.80

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Solution

The fourth proportional to 1,937,534.20, 2,904,989.10 and 990,125.80 is: 1,484,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,534.20 : 2,904,989.10 = 990,125.80 : x
  2. Step 2: Convert to fraction form
    1,937,534.20/2,904,989.10 = 990,125.80/x
  3. Step 3: Cross multiply
    1,937,534.20x = 2,904,989.10 × 990,125.80
  4. Step 4: Simplify right side
    1,937,534.20x = 2,876,304,656,628.78
  5. Step 5: Solve for x
    x = 2,876,304,656,628.78/1,937,534.20
  6. Step 6: Final answer
    x = 1,484,518.13

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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.