Home / 1,937,422.20-2,904,821.10-990,013.80

Finding the Fourth Proportional to 1,937,422.20, 2,904,821.10 and 990,013.80

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Solution

The fourth proportional to 1,937,422.20, 2,904,821.10 and 990,013.80 is: 1,484,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,422.20 : 2,904,821.10 = 990,013.80 : x
  2. Step 2: Convert to fraction form
    1,937,422.20/2,904,821.10 = 990,013.80/x
  3. Step 3: Cross multiply
    1,937,422.20x = 2,904,821.10 × 990,013.80
  4. Step 4: Simplify right side
    1,937,422.20x = 2,875,812,975,531.18
  5. Step 5: Solve for x
    x = 2,875,812,975,531.18/1,937,422.20
  6. Step 6: Final answer
    x = 1,484,350.17

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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.