Home / 3,999,944.80-5,999,917.20-1,008,128.80

Finding the Fourth Proportional to 3,999,944.80, 5,999,917.20 and 1,008,128.80

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Solution

The fourth proportional to 3,999,944.80, 5,999,917.20 and 1,008,128.80 is: 1,512,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,944.80 : 5,999,917.20 = 1,008,128.80 : x
  2. Step 2: Convert to fraction form
    3,999,944.80/5,999,917.20 = 1,008,128.80/x
  3. Step 3: Cross multiply
    3,999,944.80x = 5,999,917.20 × 1,008,128.80
  4. Step 4: Simplify right side
    3,999,944.80x = 6,048,689,326,935.36
  5. Step 5: Solve for x
    x = 6,048,689,326,935.36/3,999,944.80
  6. Step 6: Final answer
    x = 1,512,193.20

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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.