Home / 3,919,456.95-5,408,711.17-2,200,649.91

Finding the Fourth Proportional to 3,919,456.95, 5,408,711.17 and 2,200,649.91

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Solution

The fourth proportional to 3,919,456.95, 5,408,711.17 and 2,200,649.91 is: 3,036,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,456.95 : 5,408,711.17 = 2,200,649.91 : x
  2. Step 2: Convert to fraction form
    3,919,456.95/5,408,711.17 = 2,200,649.91/x
  3. Step 3: Cross multiply
    3,919,456.95x = 5,408,711.17 × 2,200,649.91
  4. Step 4: Simplify right side
    3,919,456.95x = 11,902,679,749,476.50
  5. Step 5: Solve for x
    x = 11,902,679,749,476.50/3,919,456.95
  6. Step 6: Final answer
    x = 3,036,818.60

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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.