Home / 2,254,151.40-3,381,436.06-815,194.60

Finding the Fourth Proportional to 2,254,151.40, 3,381,436.06 and 815,194.60

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Solution

The fourth proportional to 2,254,151.40, 3,381,436.06 and 815,194.60 is: 1,222,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,151.40 : 3,381,436.06 = 815,194.60 : x
  2. Step 2: Convert to fraction form
    2,254,151.40/3,381,436.06 = 815,194.60/x
  3. Step 3: Cross multiply
    2,254,151.40x = 3,381,436.06 × 815,194.60
  4. Step 4: Simplify right side
    2,254,151.40x = 2,756,528,416,357.28
  5. Step 5: Solve for x
    x = 2,756,528,416,357.28/2,254,151.40
  6. Step 6: Final answer
    x = 1,222,867.47

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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.