Home / 3,948,549.76-5,449,000.32-2,137,713.28

Finding the Fourth Proportional to 3,948,549.76, 5,449,000.32 and 2,137,713.28

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Solution

The fourth proportional to 3,948,549.76, 5,449,000.32 and 2,137,713.28 is: 2,950,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,549.76 : 5,449,000.32 = 2,137,713.28 : x
  2. Step 2: Convert to fraction form
    3,948,549.76/5,449,000.32 = 2,137,713.28/x
  3. Step 3: Cross multiply
    3,948,549.76x = 5,449,000.32 × 2,137,713.28
  4. Step 4: Simplify right side
    3,948,549.76x = 11,648,400,346,788.25
  5. Step 5: Solve for x
    x = 11,648,400,346,788.25/3,948,549.76
  6. Step 6: Final answer
    x = 2,950,045.22

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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.