Home / 2,917,110.40-4,375,665.60-787,191.10

Finding the Fourth Proportional to 2,917,110.40, 4,375,665.60 and 787,191.10

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Solution

The fourth proportional to 2,917,110.40, 4,375,665.60 and 787,191.10 is: 1,180,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,110.40 : 4,375,665.60 = 787,191.10 : x
  2. Step 2: Convert to fraction form
    2,917,110.40/4,375,665.60 = 787,191.10/x
  3. Step 3: Cross multiply
    2,917,110.40x = 4,375,665.60 × 787,191.10
  4. Step 4: Simplify right side
    2,917,110.40x = 3,444,485,016,896.16
  5. Step 5: Solve for x
    x = 3,444,485,016,896.16/2,917,110.40
  6. Step 6: Final answer
    x = 1,180,786.65

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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.