Home / 2,339,947.20-3,509,920.80-742,635.30

Finding the Fourth Proportional to 2,339,947.20, 3,509,920.80 and 742,635.30

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Solution

The fourth proportional to 2,339,947.20, 3,509,920.80 and 742,635.30 is: 1,113,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,947.20 : 3,509,920.80 = 742,635.30 : x
  2. Step 2: Convert to fraction form
    2,339,947.20/3,509,920.80 = 742,635.30/x
  3. Step 3: Cross multiply
    2,339,947.20x = 3,509,920.80 × 742,635.30
  4. Step 4: Simplify right side
    2,339,947.20x = 2,606,591,086,284.24
  5. Step 5: Solve for x
    x = 2,606,591,086,284.24/2,339,947.20
  6. Step 6: Final answer
    x = 1,113,952.95

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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.