Home / 5,065,660.72-6,990,613.30-2,742,552.78

Finding the Fourth Proportional to 5,065,660.72, 6,990,613.30 and 2,742,552.78

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Solution

The fourth proportional to 5,065,660.72, 6,990,613.30 and 2,742,552.78 is: 3,784,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,660.72 : 6,990,613.30 = 2,742,552.78 : x
  2. Step 2: Convert to fraction form
    5,065,660.72/6,990,613.30 = 2,742,552.78/x
  3. Step 3: Cross multiply
    5,065,660.72x = 6,990,613.30 × 2,742,552.78
  4. Step 4: Simplify right side
    5,065,660.72x = 19,172,125,939,819.97
  5. Step 5: Solve for x
    x = 19,172,125,939,819.97/5,065,660.72
  6. Step 6: Final answer
    x = 3,784,723.65

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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.