Home / 2,664,470.40-3,992,112.90-1,241,608.20

Finding the Fourth Proportional to 2,664,470.40, 3,992,112.90 and 1,241,608.20

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Solution

The fourth proportional to 2,664,470.40, 3,992,112.90 and 1,241,608.20 is: 1,860,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,470.40 : 3,992,112.90 = 1,241,608.20 : x
  2. Step 2: Convert to fraction form
    2,664,470.40/3,992,112.90 = 1,241,608.20/x
  3. Step 3: Cross multiply
    2,664,470.40x = 3,992,112.90 × 1,241,608.20
  4. Step 4: Simplify right side
    2,664,470.40x = 4,956,640,111,965.78
  5. Step 5: Solve for x
    x = 4,956,640,111,965.78/2,664,470.40
  6. Step 6: Final answer
    x = 1,860,272.16

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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.