Home / 2,099,787.60-3,147,348.60-1,153,837.20

Finding the Fourth Proportional to 2,099,787.60, 3,147,348.60 and 1,153,837.20

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Solution

The fourth proportional to 2,099,787.60, 3,147,348.60 and 1,153,837.20 is: 1,729,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,787.60 : 3,147,348.60 = 1,153,837.20 : x
  2. Step 2: Convert to fraction form
    2,099,787.60/3,147,348.60 = 1,153,837.20/x
  3. Step 3: Cross multiply
    2,099,787.60x = 3,147,348.60 × 1,153,837.20
  4. Step 4: Simplify right side
    2,099,787.60x = 3,631,527,896,047.92
  5. Step 5: Solve for x
    x = 3,631,527,896,047.92/2,099,787.60
  6. Step 6: Final answer
    x = 1,729,473.92

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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.