Home / 3,991,733.39-5,508,594.20-2,156,191.65

Finding the Fourth Proportional to 3,991,733.39, 5,508,594.20 and 2,156,191.65

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Solution

The fourth proportional to 3,991,733.39, 5,508,594.20 and 2,156,191.65 is: 2,975,545.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,733.39 : 5,508,594.20 = 2,156,191.65 : x
  2. Step 2: Convert to fraction form
    3,991,733.39/5,508,594.20 = 2,156,191.65/x
  3. Step 3: Cross multiply
    3,991,733.39x = 5,508,594.20 × 2,156,191.65
  4. Step 4: Simplify right side
    3,991,733.39x = 11,877,584,822,668.91
  5. Step 5: Solve for x
    x = 11,877,584,822,668.91/3,991,733.39
  6. Step 6: Final answer
    x = 2,975,545.62

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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.