Home / 2,802,330.60-4,202,912.70-780,052.20

Finding the Fourth Proportional to 2,802,330.60, 4,202,912.70 and 780,052.20

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Solution

The fourth proportional to 2,802,330.60, 4,202,912.70 and 780,052.20 is: 1,169,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,330.60 : 4,202,912.70 = 780,052.20 : x
  2. Step 2: Convert to fraction form
    2,802,330.60/4,202,912.70 = 780,052.20/x
  3. Step 3: Cross multiply
    2,802,330.60x = 4,202,912.70 × 780,052.20
  4. Step 4: Simplify right side
    2,802,330.60x = 3,278,491,298,042.94
  5. Step 5: Solve for x
    x = 3,278,491,298,042.94/2,802,330.60
  6. Step 6: Final answer
    x = 1,169,915.96

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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.