Home / 4,156,387.50-5,739,776.49-3,929,946.91

Finding the Fourth Proportional to 4,156,387.50, 5,739,776.49 and 3,929,946.91

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Solution

The fourth proportional to 4,156,387.50, 5,739,776.49 and 3,929,946.91 is: 5,427,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156,387.50 : 5,739,776.49 = 3,929,946.91 : x
  2. Step 2: Convert to fraction form
    4,156,387.50/5,739,776.49 = 3,929,946.91/x
  3. Step 3: Cross multiply
    4,156,387.50x = 5,739,776.49 × 3,929,946.91
  4. Step 4: Simplify right side
    4,156,387.50x = 22,557,016,880,966.15
  5. Step 5: Solve for x
    x = 22,557,016,880,966.15/4,156,387.50
  6. Step 6: Final answer
    x = 5,427,072.64

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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.