Home / 2,254,150.40-3,381,434.56-815,193.60

Finding the Fourth Proportional to 2,254,150.40, 3,381,434.56 and 815,193.60

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Solution

The fourth proportional to 2,254,150.40, 3,381,434.56 and 815,193.60 is: 1,222,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,150.40 : 3,381,434.56 = 815,193.60 : x
  2. Step 2: Convert to fraction form
    2,254,150.40/3,381,434.56 = 815,193.60/x
  3. Step 3: Cross multiply
    2,254,150.40x = 3,381,434.56 × 815,193.60
  4. Step 4: Simplify right side
    2,254,150.40x = 2,756,523,812,130.82
  5. Step 5: Solve for x
    x = 2,756,523,812,130.82/2,254,150.40
  6. Step 6: Final answer
    x = 1,222,865.97

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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.