Home / 2,044,572.78-2,821,529.12-1,126,834.68

Finding the Fourth Proportional to 2,044,572.78, 2,821,529.12 and 1,126,834.68

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Solution

The fourth proportional to 2,044,572.78, 2,821,529.12 and 1,126,834.68 is: 1,555,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044,572.78 : 2,821,529.12 = 1,126,834.68 : x
  2. Step 2: Convert to fraction form
    2,044,572.78/2,821,529.12 = 1,126,834.68/x
  3. Step 3: Cross multiply
    2,044,572.78x = 2,821,529.12 × 1,126,834.68
  4. Step 4: Simplify right side
    2,044,572.78x = 3,179,396,857,411.71
  5. Step 5: Solve for x
    x = 3,179,396,857,411.71/2,044,572.78
  6. Step 6: Final answer
    x = 1,555,042.15

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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.