Home / 2,666,778.80-3,680,177.00-1,564,869.11

Finding the Fourth Proportional to 2,666,778.80, 3,680,177.00 and 1,564,869.11

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Solution

The fourth proportional to 2,666,778.80, 3,680,177.00 and 1,564,869.11 is: 2,159,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,778.80 : 3,680,177.00 = 1,564,869.11 : x
  2. Step 2: Convert to fraction form
    2,666,778.80/3,680,177.00 = 1,564,869.11/x
  3. Step 3: Cross multiply
    2,666,778.80x = 3,680,177.00 × 1,564,869.11
  4. Step 4: Simplify right side
    2,666,778.80x = 5,758,995,289,607.68
  5. Step 5: Solve for x
    x = 5,758,995,289,607.68/2,666,778.80
  6. Step 6: Final answer
    x = 2,159,532.43

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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.