Home / 2,276,722.80-3,416,396.40-857,797.20

Finding the Fourth Proportional to 2,276,722.80, 3,416,396.40 and 857,797.20

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Solution

The fourth proportional to 2,276,722.80, 3,416,396.40 and 857,797.20 is: 1,287,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,722.80 : 3,416,396.40 = 857,797.20 : x
  2. Step 2: Convert to fraction form
    2,276,722.80/3,416,396.40 = 857,797.20/x
  3. Step 3: Cross multiply
    2,276,722.80x = 3,416,396.40 × 857,797.20
  4. Step 4: Simplify right side
    2,276,722.80x = 2,930,575,266,010.08
  5. Step 5: Solve for x
    x = 2,930,575,266,010.08/2,276,722.80
  6. Step 6: Final answer
    x = 1,287,190.20

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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.