Home / 3,860,789.16-5,328,140.94-2,229,265.20

Finding the Fourth Proportional to 3,860,789.16, 5,328,140.94 and 2,229,265.20

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Solution

The fourth proportional to 3,860,789.16, 5,328,140.94 and 2,229,265.20 is: 3,076,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,789.16 : 5,328,140.94 = 2,229,265.20 : x
  2. Step 2: Convert to fraction form
    3,860,789.16/5,328,140.94 = 2,229,265.20/x
  3. Step 3: Cross multiply
    3,860,789.16x = 5,328,140.94 × 2,229,265.20
  4. Step 4: Simplify right side
    3,860,789.16x = 11,877,839,178,237.29
  5. Step 5: Solve for x
    x = 11,877,839,178,237.29/3,860,789.16
  6. Step 6: Final answer
    x = 3,076,531.43

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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.