Home / 2,972,542.20-4,458,813.30-728,680.20

Finding the Fourth Proportional to 2,972,542.20, 4,458,813.30 and 728,680.20

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Solution

The fourth proportional to 2,972,542.20, 4,458,813.30 and 728,680.20 is: 1,093,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,542.20 : 4,458,813.30 = 728,680.20 : x
  2. Step 2: Convert to fraction form
    2,972,542.20/4,458,813.30 = 728,680.20/x
  3. Step 3: Cross multiply
    2,972,542.20x = 4,458,813.30 × 728,680.20
  4. Step 4: Simplify right side
    2,972,542.20x = 3,249,048,967,206.66
  5. Step 5: Solve for x
    x = 3,249,048,967,206.66/2,972,542.20
  6. Step 6: Final answer
    x = 1,093,020.30

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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.