Home / 3,407,999.60-5,110,055.40-1,278,153.20

Finding the Fourth Proportional to 3,407,999.60, 5,110,055.40 and 1,278,153.20

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Solution

The fourth proportional to 3,407,999.60, 5,110,055.40 and 1,278,153.20 is: 1,916,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,999.60 : 5,110,055.40 = 1,278,153.20 : x
  2. Step 2: Convert to fraction form
    3,407,999.60/5,110,055.40 = 1,278,153.20/x
  3. Step 3: Cross multiply
    3,407,999.60x = 5,110,055.40 × 1,278,153.20
  4. Step 4: Simplify right side
    3,407,999.60x = 6,531,433,661,687.28
  5. Step 5: Solve for x
    x = 6,531,433,661,687.28/3,407,999.60
  6. Step 6: Final answer
    x = 1,916,500.71

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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.