Home / 2,139,680.76-2,953,062.09-1,324,147.29

Finding the Fourth Proportional to 2,139,680.76, 2,953,062.09 and 1,324,147.29

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Solution

The fourth proportional to 2,139,680.76, 2,953,062.09 and 1,324,147.29 is: 1,827,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,680.76 : 2,953,062.09 = 1,324,147.29 : x
  2. Step 2: Convert to fraction form
    2,139,680.76/2,953,062.09 = 1,324,147.29/x
  3. Step 3: Cross multiply
    2,139,680.76x = 2,953,062.09 × 1,324,147.29
  4. Step 4: Simplify right side
    2,139,680.76x = 3,910,289,163,675.24
  5. Step 5: Solve for x
    x = 3,910,289,163,675.24/2,139,680.76
  6. Step 6: Final answer
    x = 1,827,510.55

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Double scale
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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.