Home / 3,412,998.88-5,117,517.69-1,615,867.18

Finding the Fourth Proportional to 3,412,998.88, 5,117,517.69 and 1,615,867.18

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Solution

The fourth proportional to 3,412,998.88, 5,117,517.69 and 1,615,867.18 is: 2,422,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412,998.88 : 5,117,517.69 = 1,615,867.18 : x
  2. Step 2: Convert to fraction form
    3,412,998.88/5,117,517.69 = 1,615,867.18/x
  3. Step 3: Cross multiply
    3,412,998.88x = 5,117,517.69 × 1,615,867.18
  4. Step 4: Simplify right side
    3,412,998.88x = 8,269,228,878,340.41
  5. Step 5: Solve for x
    x = 8,269,228,878,340.41/3,412,998.88
  6. Step 6: Final answer
    x = 2,422,863.05

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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.