Home / 2,219,557.55-3,329,359.38-780,281.23

Finding the Fourth Proportional to 2,219,557.55, 3,329,359.38 and 780,281.23

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Solution

The fourth proportional to 2,219,557.55, 3,329,359.38 and 780,281.23 is: 1,170,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,557.55 : 3,329,359.38 = 780,281.23 : x
  2. Step 2: Convert to fraction form
    2,219,557.55/3,329,359.38 = 780,281.23/x
  3. Step 3: Cross multiply
    2,219,557.55x = 3,329,359.38 × 780,281.23
  4. Step 4: Simplify right side
    2,219,557.55x = 2,597,836,632,138.44
  5. Step 5: Solve for x
    x = 2,597,836,632,138.44/2,219,557.55
  6. Step 6: Final answer
    x = 1,170,429.95

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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.