Home / 3,985,722.90-5,979,167.55-2,092,607.10

Finding the Fourth Proportional to 3,985,722.90, 5,979,167.55 and 2,092,607.10

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Solution

The fourth proportional to 3,985,722.90, 5,979,167.55 and 2,092,607.10 is: 3,139,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,722.90 : 5,979,167.55 = 2,092,607.10 : x
  2. Step 2: Convert to fraction form
    3,985,722.90/5,979,167.55 = 2,092,607.10/x
  3. Step 3: Cross multiply
    3,985,722.90x = 5,979,167.55 × 2,092,607.10
  4. Step 4: Simplify right side
    3,985,722.90x = 12,512,048,467,219.61
  5. Step 5: Solve for x
    x = 12,512,048,467,219.61/3,985,722.90
  6. Step 6: Final answer
    x = 3,139,216.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.