Home / 2,615,344.80-3,915,708.16-1,412,959.20

Finding the Fourth Proportional to 2,615,344.80, 3,915,708.16 and 1,412,959.20

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Solution

The fourth proportional to 2,615,344.80, 3,915,708.16 and 1,412,959.20 is: 2,115,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615,344.80 : 3,915,708.16 = 1,412,959.20 : x
  2. Step 2: Convert to fraction form
    2,615,344.80/3,915,708.16 = 1,412,959.20/x
  3. Step 3: Cross multiply
    2,615,344.80x = 3,915,708.16 × 1,412,959.20
  4. Step 4: Simplify right side
    2,615,344.80x = 5,532,735,869,187.07
  5. Step 5: Solve for x
    x = 5,532,735,869,187.07/2,615,344.80
  6. Step 6: Final answer
    x = 2,115,490.04

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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.