Home / 2,317,531.20-3,476,469.60-821,428.80

Finding the Fourth Proportional to 2,317,531.20, 3,476,469.60 and 821,428.80

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Solution

The fourth proportional to 2,317,531.20, 3,476,469.60 and 821,428.80 is: 1,232,204.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317,531.20 : 3,476,469.60 = 821,428.80 : x
  2. Step 2: Convert to fraction form
    2,317,531.20/3,476,469.60 = 821,428.80/x
  3. Step 3: Cross multiply
    2,317,531.20x = 3,476,469.60 × 821,428.80
  4. Step 4: Simplify right side
    2,317,531.20x = 2,855,672,251,764.48
  5. Step 5: Solve for x
    x = 2,855,672,251,764.48/2,317,531.20
  6. Step 6: Final answer
    x = 1,232,204.45

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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.