Home / 1,984,839.98-2,976,061.28-890,424.40

Finding the Fourth Proportional to 1,984,839.98, 2,976,061.28 and 890,424.40

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Solution

The fourth proportional to 1,984,839.98, 2,976,061.28 and 890,424.40 is: 1,335,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,839.98 : 2,976,061.28 = 890,424.40 : x
  2. Step 2: Convert to fraction form
    1,984,839.98/2,976,061.28 = 890,424.40/x
  3. Step 3: Cross multiply
    1,984,839.98x = 2,976,061.28 × 890,424.40
  4. Step 4: Simplify right side
    1,984,839.98x = 2,649,957,582,214.28
  5. Step 5: Solve for x
    x = 2,649,957,582,214.28/1,984,839.98
  6. Step 6: Final answer
    x = 1,335,098.85

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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.