Home / 3,896,915.20-5,379,401.28-2,369,512.96

Finding the Fourth Proportional to 3,896,915.20, 5,379,401.28 and 2,369,512.96

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Solution

The fourth proportional to 3,896,915.20, 5,379,401.28 and 2,369,512.96 is: 3,270,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,915.20 : 5,379,401.28 = 2,369,512.96 : x
  2. Step 2: Convert to fraction form
    3,896,915.20/5,379,401.28 = 2,369,512.96/x
  3. Step 3: Cross multiply
    3,896,915.20x = 5,379,401.28 × 2,369,512.96
  4. Step 4: Simplify right side
    3,896,915.20x = 12,746,561,050,000.59
  5. Step 5: Solve for x
    x = 12,746,561,050,000.59/3,896,915.20
  6. Step 6: Final answer
    x = 3,270,936.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.