Home / 2,240,112.80-3,359,780.40-819,437.60

Finding the Fourth Proportional to 2,240,112.80, 3,359,780.40 and 819,437.60

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Solution

The fourth proportional to 2,240,112.80, 3,359,780.40 and 819,437.60 is: 1,229,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240,112.80 : 3,359,780.40 = 819,437.60 : x
  2. Step 2: Convert to fraction form
    2,240,112.80/3,359,780.40 = 819,437.60/x
  3. Step 3: Cross multiply
    2,240,112.80x = 3,359,780.40 × 819,437.60
  4. Step 4: Simplify right side
    2,240,112.80x = 2,753,130,387,503.04
  5. Step 5: Solve for x
    x = 2,753,130,387,503.04/2,240,112.80
  6. Step 6: Final answer
    x = 1,229,014.18

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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.