Home / 4,156,387.25-5,739,776.15-3,929,946.66

Finding the Fourth Proportional to 4,156,387.25, 5,739,776.15 and 3,929,946.66

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Solution

The fourth proportional to 4,156,387.25, 5,739,776.15 and 3,929,946.66 is: 5,427,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156,387.25 : 5,739,776.15 = 3,929,946.66 : x
  2. Step 2: Convert to fraction form
    4,156,387.25/5,739,776.15 = 3,929,946.66/x
  3. Step 3: Cross multiply
    4,156,387.25x = 5,739,776.15 × 3,929,946.66
  4. Step 4: Simplify right side
    4,156,387.25x = 22,557,014,090,190.43
  5. Step 5: Solve for x
    x = 22,557,014,090,190.43/4,156,387.25
  6. Step 6: Final answer
    x = 5,427,072.29

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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.