Home / 2,726,691.80-4,089,999.30-1,230,781.40

Finding the Fourth Proportional to 2,726,691.80, 4,089,999.30 and 1,230,781.40

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Solution

The fourth proportional to 2,726,691.80, 4,089,999.30 and 1,230,781.40 is: 1,846,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,691.80 : 4,089,999.30 = 1,230,781.40 : x
  2. Step 2: Convert to fraction form
    2,726,691.80/4,089,999.30 = 1,230,781.40/x
  3. Step 3: Cross multiply
    2,726,691.80x = 4,089,999.30 × 1,230,781.40
  4. Step 4: Simplify right side
    2,726,691.80x = 5,033,895,064,453.02
  5. Step 5: Solve for x
    x = 5,033,895,064,453.02/2,726,691.80
  6. Step 6: Final answer
    x = 1,846,154.77

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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.