Home / 5,638,934.34-7,781,520.87-3,060,559.86

Finding the Fourth Proportional to 5,638,934.34, 7,781,520.87 and 3,060,559.86

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Solution

The fourth proportional to 5,638,934.34, 7,781,520.87 and 3,060,559.86 is: 4,223,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,934.34 : 7,781,520.87 = 3,060,559.86 : x
  2. Step 2: Convert to fraction form
    5,638,934.34/7,781,520.87 = 3,060,559.86/x
  3. Step 3: Cross multiply
    5,638,934.34x = 7,781,520.87 × 3,060,559.86
  4. Step 4: Simplify right side
    5,638,934.34x = 23,815,810,424,474.28
  5. Step 5: Solve for x
    x = 23,815,810,424,474.28/5,638,934.34
  6. Step 6: Final answer
    x = 4,223,459.43

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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.