Home / 3,911,787.56-5,867,619.01-1,071,899.75

Finding the Fourth Proportional to 3,911,787.56, 5,867,619.01 and 1,071,899.75

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Solution

The fourth proportional to 3,911,787.56, 5,867,619.01 and 1,071,899.75 is: 1,607,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,787.56 : 5,867,619.01 = 1,071,899.75 : x
  2. Step 2: Convert to fraction form
    3,911,787.56/5,867,619.01 = 1,071,899.75/x
  3. Step 3: Cross multiply
    3,911,787.56x = 5,867,619.01 × 1,071,899.75
  4. Step 4: Simplify right side
    3,911,787.56x = 6,289,499,361,903.55
  5. Step 5: Solve for x
    x = 6,289,499,361,903.55/3,911,787.56
  6. Step 6: Final answer
    x = 1,607,832.55

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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.