Home / 2,972,470.20-4,458,705.30-728,608.20

Finding the Fourth Proportional to 2,972,470.20, 4,458,705.30 and 728,608.20

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Solution

The fourth proportional to 2,972,470.20, 4,458,705.30 and 728,608.20 is: 1,092,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,470.20 : 4,458,705.30 = 728,608.20 : x
  2. Step 2: Convert to fraction form
    2,972,470.20/4,458,705.30 = 728,608.20/x
  3. Step 3: Cross multiply
    2,972,470.20x = 4,458,705.30 × 728,608.20
  4. Step 4: Simplify right side
    2,972,470.20x = 3,248,649,242,963.46
  5. Step 5: Solve for x
    x = 3,248,649,242,963.46/2,972,470.20
  6. Step 6: Final answer
    x = 1,092,912.30

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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.