Home / 5,148,343.70-7,722,515.55-4,191,749.90

Finding the Fourth Proportional to 5,148,343.70, 7,722,515.55 and 4,191,749.90

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Solution

The fourth proportional to 5,148,343.70, 7,722,515.55 and 4,191,749.90 is: 6,287,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,343.70 : 7,722,515.55 = 4,191,749.90 : x
  2. Step 2: Convert to fraction form
    5,148,343.70/7,722,515.55 = 4,191,749.90/x
  3. Step 3: Cross multiply
    5,148,343.70x = 7,722,515.55 × 4,191,749.90
  4. Step 4: Simplify right side
    5,148,343.70x = 32,370,853,784,460.95
  5. Step 5: Solve for x
    x = 32,370,853,784,460.95/5,148,343.70
  6. Step 6: Final answer
    x = 6,287,624.85

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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.