Home / 2,912,555.60-4,367,278.20-1,227,755.60

Finding the Fourth Proportional to 2,912,555.60, 4,367,278.20 and 1,227,755.60

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Solution

The fourth proportional to 2,912,555.60, 4,367,278.20 and 1,227,755.60 is: 1,840,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,555.60 : 4,367,278.20 = 1,227,755.60 : x
  2. Step 2: Convert to fraction form
    2,912,555.60/4,367,278.20 = 1,227,755.60/x
  3. Step 3: Cross multiply
    2,912,555.60x = 4,367,278.20 × 1,227,755.60
  4. Step 4: Simplify right side
    2,912,555.60x = 5,361,950,266,807.92
  5. Step 5: Solve for x
    x = 5,361,950,266,807.92/2,912,555.60
  6. Step 6: Final answer
    x = 1,840,977.82

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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.