Home / 5,178,902.52-7,145,635.63-3,342,967.61

Finding the Fourth Proportional to 5,178,902.52, 7,145,635.63 and 3,342,967.61

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Solution

The fourth proportional to 5,178,902.52, 7,145,635.63 and 3,342,967.61 is: 4,612,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,902.52 : 7,145,635.63 = 3,342,967.61 : x
  2. Step 2: Convert to fraction form
    5,178,902.52/7,145,635.63 = 3,342,967.61/x
  3. Step 3: Cross multiply
    5,178,902.52x = 7,145,635.63 × 3,342,967.61
  4. Step 4: Simplify right side
    5,178,902.52x = 23,887,628,447,237.11
  5. Step 5: Solve for x
    x = 23,887,628,447,237.11/5,178,902.52
  6. Step 6: Final answer
    x = 4,612,488.53

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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.