Home / 4,156,386-5,739,774.42-3,929,945.41

Finding the Fourth Proportional to 4,156,386, 5,739,774.42 and 3,929,945.41

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Solution

The fourth proportional to 4,156,386, 5,739,774.42 and 3,929,945.41 is: 5,427,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156,386 : 5,739,774.42 = 3,929,945.41 : x
  2. Step 2: Convert to fraction form
    4,156,386/5,739,774.42 = 3,929,945.41/x
  3. Step 3: Cross multiply
    4,156,386x = 5,739,774.42 × 3,929,945.41
  4. Step 4: Simplify right side
    4,156,386x = 22,557,000,136,314.41
  5. Step 5: Solve for x
    x = 22,557,000,136,314.41/4,156,386
  6. Step 6: Final answer
    x = 5,427,070.57

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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.