Home / 2,500,915.40-3,451,218.17-1,413,163.57

Finding the Fourth Proportional to 2,500,915.40, 3,451,218.17 and 1,413,163.57

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Solution

The fourth proportional to 2,500,915.40, 3,451,218.17 and 1,413,163.57 is: 1,950,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500,915.40 : 3,451,218.17 = 1,413,163.57 : x
  2. Step 2: Convert to fraction form
    2,500,915.40/3,451,218.17 = 1,413,163.57/x
  3. Step 3: Cross multiply
    2,500,915.40x = 3,451,218.17 × 1,413,163.57
  4. Step 4: Simplify right side
    2,500,915.40x = 4,877,135,784,870.93
  5. Step 5: Solve for x
    x = 4,877,135,784,870.93/2,500,915.40
  6. Step 6: Final answer
    x = 1,950,140.25

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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.