Home / 6,645,822.60-9,172,941.47-4,328,489.55

Finding the Fourth Proportional to 6,645,822.60, 9,172,941.47 and 4,328,489.55

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Solution

The fourth proportional to 6,645,822.60, 9,172,941.47 and 4,328,489.55 is: 5,974,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,822.60 : 9,172,941.47 = 4,328,489.55 : x
  2. Step 2: Convert to fraction form
    6,645,822.60/9,172,941.47 = 4,328,489.55/x
  3. Step 3: Cross multiply
    6,645,822.60x = 9,172,941.47 × 4,328,489.55
  4. Step 4: Simplify right side
    6,645,822.60x = 39,704,981,274,014.19
  5. Step 5: Solve for x
    x = 39,704,981,274,014.19/6,645,822.60
  6. Step 6: Final answer
    x = 5,974,426.89

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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.