Home / 5,317,685.27-7,974,854.83-1,722,618.12

Finding the Fourth Proportional to 5,317,685.27, 7,974,854.83 and 1,722,618.12

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Solution

The fourth proportional to 5,317,685.27, 7,974,854.83 and 1,722,618.12 is: 2,583,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317,685.27 : 7,974,854.83 = 1,722,618.12 : x
  2. Step 2: Convert to fraction form
    5,317,685.27/7,974,854.83 = 1,722,618.12/x
  3. Step 3: Cross multiply
    5,317,685.27x = 7,974,854.83 × 1,722,618.12
  4. Step 4: Simplify right side
    5,317,685.27x = 13,737,629,434,527.52
  5. Step 5: Solve for x
    x = 13,737,629,434,527.52/5,317,685.27
  6. Step 6: Final answer
    x = 2,583,385.20

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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.