Home / 2,657,000.70-3,986,485.20-859,942.80

Finding the Fourth Proportional to 2,657,000.70, 3,986,485.20 and 859,942.80

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Solution

The fourth proportional to 2,657,000.70, 3,986,485.20 and 859,942.80 is: 1,290,232.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,000.70 : 3,986,485.20 = 859,942.80 : x
  2. Step 2: Convert to fraction form
    2,657,000.70/3,986,485.20 = 859,942.80/x
  3. Step 3: Cross multiply
    2,657,000.70x = 3,986,485.20 × 859,942.80
  4. Step 4: Simplify right side
    2,657,000.70x = 3,428,149,245,046.56
  5. Step 5: Solve for x
    x = 3,428,149,245,046.56/2,657,000.70
  6. Step 6: Final answer
    x = 1,290,232.72

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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.