Home / 2,655,787.38-3,983,672.57-1,138,485.66

Finding the Fourth Proportional to 2,655,787.38, 3,983,672.57 and 1,138,485.66

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Solution

The fourth proportional to 2,655,787.38, 3,983,672.57 and 1,138,485.66 is: 1,707,724.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655,787.38 : 3,983,672.57 = 1,138,485.66 : x
  2. Step 2: Convert to fraction form
    2,655,787.38/3,983,672.57 = 1,138,485.66/x
  3. Step 3: Cross multiply
    2,655,787.38x = 3,983,672.57 × 1,138,485.66
  4. Step 4: Simplify right side
    2,655,787.38x = 4,535,354,089,387.92
  5. Step 5: Solve for x
    x = 4,535,354,089,387.92/2,655,787.38
  6. Step 6: Final answer
    x = 1,707,724.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.