Home / 3,712,323.76-5,123,147.61-2,080,761.28

Finding the Fourth Proportional to 3,712,323.76, 5,123,147.61 and 2,080,761.28

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Solution

The fourth proportional to 3,712,323.76, 5,123,147.61 and 2,080,761.28 is: 2,871,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,323.76 : 5,123,147.61 = 2,080,761.28 : x
  2. Step 2: Convert to fraction form
    3,712,323.76/5,123,147.61 = 2,080,761.28/x
  3. Step 3: Cross multiply
    3,712,323.76x = 5,123,147.61 × 2,080,761.28
  4. Step 4: Simplify right side
    3,712,323.76x = 10,660,047,178,612.54
  5. Step 5: Solve for x
    x = 10,660,047,178,612.54/3,712,323.76
  6. Step 6: Final answer
    x = 2,871,529.50

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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.