Home / 2,663,142.84-3,995,306.28-1,242,423.90

Finding the Fourth Proportional to 2,663,142.84, 3,995,306.28 and 1,242,423.90

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Solution

The fourth proportional to 2,663,142.84, 3,995,306.28 and 1,242,423.90 is: 1,863,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,142.84 : 3,995,306.28 = 1,242,423.90 : x
  2. Step 2: Convert to fraction form
    2,663,142.84/3,995,306.28 = 1,242,423.90/x
  3. Step 3: Cross multiply
    2,663,142.84x = 3,995,306.28 × 1,242,423.90
  4. Step 4: Simplify right side
    2,663,142.84x = 4,963,864,003,879.97
  5. Step 5: Solve for x
    x = 4,963,864,003,879.97/2,663,142.84
  6. Step 6: Final answer
    x = 1,863,912.04

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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.