Home / 4,156,387-5,739,775.80-3,929,946.41

Finding the Fourth Proportional to 4,156,387, 5,739,775.80 and 3,929,946.41

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Solution

The fourth proportional to 4,156,387, 5,739,775.80 and 3,929,946.41 is: 5,427,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156,387 : 5,739,775.80 = 3,929,946.41 : x
  2. Step 2: Convert to fraction form
    4,156,387/5,739,775.80 = 3,929,946.41/x
  3. Step 3: Cross multiply
    4,156,387x = 5,739,775.80 × 3,929,946.41
  4. Step 4: Simplify right side
    4,156,387x = 22,557,011,299,414.88
  5. Step 5: Solve for x
    x = 22,557,011,299,414.88/4,156,387
  6. Step 6: Final answer
    x = 5,427,071.95

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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.