Home / 2,165,544.92-2,987,719.93-1,247,750.33

Finding the Fourth Proportional to 2,165,544.92, 2,987,719.93 and 1,247,750.33

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Solution

The fourth proportional to 2,165,544.92, 2,987,719.93 and 1,247,750.33 is: 1,721,473.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,544.92 : 2,987,719.93 = 1,247,750.33 : x
  2. Step 2: Convert to fraction form
    2,165,544.92/2,987,719.93 = 1,247,750.33/x
  3. Step 3: Cross multiply
    2,165,544.92x = 2,987,719.93 × 1,247,750.33
  4. Step 4: Simplify right side
    2,165,544.92x = 3,727,928,515,226.17
  5. Step 5: Solve for x
    x = 3,727,928,515,226.17/2,165,544.92
  6. Step 6: Final answer
    x = 1,721,473.65

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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.