Home / 3,827,787.40-5,741,490.21-1,431,455.86

Finding the Fourth Proportional to 3,827,787.40, 5,741,490.21 and 1,431,455.86

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Solution

The fourth proportional to 3,827,787.40, 5,741,490.21 and 1,431,455.86 is: 2,147,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827,787.40 : 5,741,490.21 = 1,431,455.86 : x
  2. Step 2: Convert to fraction form
    3,827,787.40/5,741,490.21 = 1,431,455.86/x
  3. Step 3: Cross multiply
    3,827,787.40x = 5,741,490.21 × 1,431,455.86
  4. Step 4: Simplify right side
    3,827,787.40x = 8,218,689,806,237.13
  5. Step 5: Solve for x
    x = 8,218,689,806,237.13/3,827,787.40
  6. Step 6: Final answer
    x = 2,147,112.40

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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.