Home / 5,328,281.40-7,992,422.10-3,200,767.80

Finding the Fourth Proportional to 5,328,281.40, 7,992,422.10 and 3,200,767.80

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Solution

The fourth proportional to 5,328,281.40, 7,992,422.10 and 3,200,767.80 is: 4,801,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,281.40 : 7,992,422.10 = 3,200,767.80 : x
  2. Step 2: Convert to fraction form
    5,328,281.40/7,992,422.10 = 3,200,767.80/x
  3. Step 3: Cross multiply
    5,328,281.40x = 7,992,422.10 × 3,200,767.80
  4. Step 4: Simplify right side
    5,328,281.40x = 25,581,887,301,688.38
  5. Step 5: Solve for x
    x = 25,581,887,301,688.38/5,328,281.40
  6. Step 6: Final answer
    x = 4,801,151.70

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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.