Home / 3,539,428.80-5,309,143.20-880,036.80

Finding the Fourth Proportional to 3,539,428.80, 5,309,143.20 and 880,036.80

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Solution

The fourth proportional to 3,539,428.80, 5,309,143.20 and 880,036.80 is: 1,320,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,428.80 : 5,309,143.20 = 880,036.80 : x
  2. Step 2: Convert to fraction form
    3,539,428.80/5,309,143.20 = 880,036.80/x
  3. Step 3: Cross multiply
    3,539,428.80x = 5,309,143.20 × 880,036.80
  4. Step 4: Simplify right side
    3,539,428.80x = 4,672,241,392,469.76
  5. Step 5: Solve for x
    x = 4,672,241,392,469.76/3,539,428.80
  6. Step 6: Final answer
    x = 1,320,055.20

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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.