Home / 2,087,116.80-3,128,342.40-888,835.20

Finding the Fourth Proportional to 2,087,116.80, 3,128,342.40 and 888,835.20

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Solution

The fourth proportional to 2,087,116.80, 3,128,342.40 and 888,835.20 is: 1,332,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,116.80 : 3,128,342.40 = 888,835.20 : x
  2. Step 2: Convert to fraction form
    2,087,116.80/3,128,342.40 = 888,835.20/x
  3. Step 3: Cross multiply
    2,087,116.80x = 3,128,342.40 × 888,835.20
  4. Step 4: Simplify right side
    2,087,116.80x = 2,780,580,842,772.48
  5. Step 5: Solve for x
    x = 2,780,580,842,772.48/2,087,116.80
  6. Step 6: Final answer
    x = 1,332,259.34

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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.