Home / 5,192,432.57-7,165,988.40-2,869,778.59

Finding the Fourth Proportional to 5,192,432.57, 7,165,988.40 and 2,869,778.59

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Solution

The fourth proportional to 5,192,432.57, 7,165,988.40 and 2,869,778.59 is: 3,960,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,432.57 : 7,165,988.40 = 2,869,778.59 : x
  2. Step 2: Convert to fraction form
    5,192,432.57/7,165,988.40 = 2,869,778.59/x
  3. Step 3: Cross multiply
    5,192,432.57x = 7,165,988.40 × 2,869,778.59
  4. Step 4: Simplify right side
    5,192,432.57x = 20,564,800,068,593.39
  5. Step 5: Solve for x
    x = 20,564,800,068,593.39/5,192,432.57
  6. Step 6: Final answer
    x = 3,960,532.91

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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.