Home / 2,177,730.80-3,264,263.40-979,449.20

Finding the Fourth Proportional to 2,177,730.80, 3,264,263.40 and 979,449.20

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Solution

The fourth proportional to 2,177,730.80, 3,264,263.40 and 979,449.20 is: 1,468,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,730.80 : 3,264,263.40 = 979,449.20 : x
  2. Step 2: Convert to fraction form
    2,177,730.80/3,264,263.40 = 979,449.20/x
  3. Step 3: Cross multiply
    2,177,730.80x = 3,264,263.40 × 979,449.20
  4. Step 4: Simplify right side
    2,177,730.80x = 3,197,180,175,719.28
  5. Step 5: Solve for x
    x = 3,197,180,175,719.28/2,177,730.80
  6. Step 6: Final answer
    x = 1,468,124.61

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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.