Home / 1,817,520.57-2,508,076.04-1,001,721.78

Finding the Fourth Proportional to 1,817,520.57, 2,508,076.04 and 1,001,721.78

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Solution

The fourth proportional to 1,817,520.57, 2,508,076.04 and 1,001,721.78 is: 1,382,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,520.57 : 2,508,076.04 = 1,001,721.78 : x
  2. Step 2: Convert to fraction form
    1,817,520.57/2,508,076.04 = 1,001,721.78/x
  3. Step 3: Cross multiply
    1,817,520.57x = 2,508,076.04 × 1,001,721.78
  4. Step 4: Simplify right side
    1,817,520.57x = 2,512,394,390,155.54
  5. Step 5: Solve for x
    x = 2,512,394,390,155.54/1,817,520.57
  6. Step 6: Final answer
    x = 1,382,319.65

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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.