Home / 5,178,903.52-7,145,637-3,342,968.61

Finding the Fourth Proportional to 5,178,903.52, 7,145,637 and 3,342,968.61

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Solution

The fourth proportional to 5,178,903.52, 7,145,637 and 3,342,968.61 is: 4,612,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,903.52 : 7,145,637 = 3,342,968.61 : x
  2. Step 2: Convert to fraction form
    5,178,903.52/7,145,637 = 3,342,968.61/x
  3. Step 3: Cross multiply
    5,178,903.52x = 7,145,637 × 3,342,968.61
  4. Step 4: Simplify right side
    5,178,903.52x = 23,887,640,189,454.57
  5. Step 5: Solve for x
    x = 23,887,640,189,454.57/5,178,903.52
  6. Step 6: Final answer
    x = 4,612,489.90

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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.