Home / 2,199,140.80-3,298,711.20-779,340.40

Finding the Fourth Proportional to 2,199,140.80, 3,298,711.20 and 779,340.40

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Solution

The fourth proportional to 2,199,140.80, 3,298,711.20 and 779,340.40 is: 1,169,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,140.80 : 3,298,711.20 = 779,340.40 : x
  2. Step 2: Convert to fraction form
    2,199,140.80/3,298,711.20 = 779,340.40/x
  3. Step 3: Cross multiply
    2,199,140.80x = 3,298,711.20 × 779,340.40
  4. Step 4: Simplify right side
    2,199,140.80x = 2,570,818,906,092.48
  5. Step 5: Solve for x
    x = 2,570,818,906,092.48/2,199,140.80
  6. Step 6: Final answer
    x = 1,169,010.60

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Similar ratio
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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.