Home / 2,209,441.20-3,048,999.92-1,242,571.20

Finding the Fourth Proportional to 2,209,441.20, 3,048,999.92 and 1,242,571.20

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Solution

The fourth proportional to 2,209,441.20, 3,048,999.92 and 1,242,571.20 is: 1,714,731.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,441.20 : 3,048,999.92 = 1,242,571.20 : x
  2. Step 2: Convert to fraction form
    2,209,441.20/3,048,999.92 = 1,242,571.20/x
  3. Step 3: Cross multiply
    2,209,441.20x = 3,048,999.92 × 1,242,571.20
  4. Step 4: Simplify right side
    2,209,441.20x = 3,788,599,489,394.30
  5. Step 5: Solve for x
    x = 3,788,599,489,394.30/2,209,441.20
  6. Step 6: Final answer
    x = 1,714,731.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.