Home / 2,162,374.80-3,245,177.88-815,865.36

Finding the Fourth Proportional to 2,162,374.80, 3,245,177.88 and 815,865.36

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Solution

The fourth proportional to 2,162,374.80, 3,245,177.88 and 815,865.36 is: 1,224,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,374.80 : 3,245,177.88 = 815,865.36 : x
  2. Step 2: Convert to fraction form
    2,162,374.80/3,245,177.88 = 815,865.36/x
  3. Step 3: Cross multiply
    2,162,374.80x = 3,245,177.88 × 815,865.36
  4. Step 4: Simplify right side
    2,162,374.80x = 2,647,628,219,330.24
  5. Step 5: Solve for x
    x = 2,647,628,219,330.24/2,162,374.80
  6. Step 6: Final answer
    x = 1,224,407.64

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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.