Home / 4,972,684.20-7,458,287.25-1,378,076.31

Finding the Fourth Proportional to 4,972,684.20, 7,458,287.25 and 1,378,076.31

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Solution

The fourth proportional to 4,972,684.20, 7,458,287.25 and 1,378,076.31 is: 2,066,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,684.20 : 7,458,287.25 = 1,378,076.31 : x
  2. Step 2: Convert to fraction form
    4,972,684.20/7,458,287.25 = 1,378,076.31/x
  3. Step 3: Cross multiply
    4,972,684.20x = 7,458,287.25 × 1,378,076.31
  4. Step 4: Simplify right side
    4,972,684.20x = 10,278,088,972,400.05
  5. Step 5: Solve for x
    x = 10,278,088,972,400.05/4,972,684.20
  6. Step 6: Final answer
    x = 2,066,909.65

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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.