Home / 3,125,113.20-4,687,669.80-881,251.20

Finding the Fourth Proportional to 3,125,113.20, 4,687,669.80 and 881,251.20

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Solution

The fourth proportional to 3,125,113.20, 4,687,669.80 and 881,251.20 is: 1,321,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,113.20 : 4,687,669.80 = 881,251.20 : x
  2. Step 2: Convert to fraction form
    3,125,113.20/4,687,669.80 = 881,251.20/x
  3. Step 3: Cross multiply
    3,125,113.20x = 4,687,669.80 × 881,251.20
  4. Step 4: Simplify right side
    3,125,113.20x = 4,131,014,636,453.76
  5. Step 5: Solve for x
    x = 4,131,014,636,453.76/3,125,113.20
  6. Step 6: Final answer
    x = 1,321,876.80

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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.