Home / 5,332,619.43-7,358,962.50-2,885,176.78

Finding the Fourth Proportional to 5,332,619.43, 7,358,962.50 and 2,885,176.78

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Solution

The fourth proportional to 5,332,619.43, 7,358,962.50 and 2,885,176.78 is: 3,981,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332,619.43 : 7,358,962.50 = 2,885,176.78 : x
  2. Step 2: Convert to fraction form
    5,332,619.43/7,358,962.50 = 2,885,176.78/x
  3. Step 3: Cross multiply
    5,332,619.43x = 7,358,962.50 × 2,885,176.78
  4. Step 4: Simplify right side
    5,332,619.43x = 21,231,907,711,493.34
  5. Step 5: Solve for x
    x = 21,231,907,711,493.34/5,332,619.43
  6. Step 6: Final answer
    x = 3,981,515.65

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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.