Home / 2,851,722.40-4,278,231.60-958,655.20

Finding the Fourth Proportional to 2,851,722.40, 4,278,231.60 and 958,655.20

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Solution

The fourth proportional to 2,851,722.40, 4,278,231.60 and 958,655.20 is: 1,438,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,722.40 : 4,278,231.60 = 958,655.20 : x
  2. Step 2: Convert to fraction form
    2,851,722.40/4,278,231.60 = 958,655.20/x
  3. Step 3: Cross multiply
    2,851,722.40x = 4,278,231.60 × 958,655.20
  4. Step 4: Simplify right side
    2,851,722.40x = 4,101,348,970,144.32
  5. Step 5: Solve for x
    x = 4,101,348,970,144.32/2,851,722.40
  6. Step 6: Final answer
    x = 1,438,200.64

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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.