Home / 3,125,455.80-4,687,262.10-1,231,567.80

Finding the Fourth Proportional to 3,125,455.80, 4,687,262.10 and 1,231,567.80

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Solution

The fourth proportional to 3,125,455.80, 4,687,262.10 and 1,231,567.80 is: 1,846,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,455.80 : 4,687,262.10 = 1,231,567.80 : x
  2. Step 2: Convert to fraction form
    3,125,455.80/4,687,262.10 = 1,231,567.80/x
  3. Step 3: Cross multiply
    3,125,455.80x = 4,687,262.10 × 1,231,567.80
  4. Step 4: Simplify right side
    3,125,455.80x = 5,772,681,072,520.38
  5. Step 5: Solve for x
    x = 5,772,681,072,520.38/3,125,455.80
  6. Step 6: Final answer
    x = 1,846,988.55

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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.