Home / 5,438,822.20-8,160,566.10-2,779,430.20

Finding the Fourth Proportional to 5,438,822.20, 8,160,566.10 and 2,779,430.20

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Solution

The fourth proportional to 5,438,822.20, 8,160,566.10 and 2,779,430.20 is: 4,170,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,822.20 : 8,160,566.10 = 2,779,430.20 : x
  2. Step 2: Convert to fraction form
    5,438,822.20/8,160,566.10 = 2,779,430.20/x
  3. Step 3: Cross multiply
    5,438,822.20x = 8,160,566.10 × 2,779,430.20
  4. Step 4: Simplify right side
    5,438,822.20x = 22,681,723,867,436.22
  5. Step 5: Solve for x
    x = 22,681,723,867,436.22/5,438,822.20
  6. Step 6: Final answer
    x = 4,170,337.44

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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.