Home / 5,148,266.70-7,722,400.05-4,191,672.90

Finding the Fourth Proportional to 5,148,266.70, 7,722,400.05 and 4,191,672.90

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Solution

The fourth proportional to 5,148,266.70, 7,722,400.05 and 4,191,672.90 is: 6,287,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148,266.70 : 7,722,400.05 = 4,191,672.90 : x
  2. Step 2: Convert to fraction form
    5,148,266.70/7,722,400.05 = 4,191,672.90/x
  3. Step 3: Cross multiply
    5,148,266.70x = 7,722,400.05 × 4,191,672.90
  4. Step 4: Simplify right side
    5,148,266.70x = 32,369,775,012,543.64
  5. Step 5: Solve for x
    x = 32,369,775,012,543.64/5,148,266.70
  6. Step 6: Final answer
    x = 6,287,509.35

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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.