Home / 2,080,340.80-3,120,511.20-1,449,966.40

Finding the Fourth Proportional to 2,080,340.80, 3,120,511.20 and 1,449,966.40

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Solution

The fourth proportional to 2,080,340.80, 3,120,511.20 and 1,449,966.40 is: 2,174,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,340.80 : 3,120,511.20 = 1,449,966.40 : x
  2. Step 2: Convert to fraction form
    2,080,340.80/3,120,511.20 = 1,449,966.40/x
  3. Step 3: Cross multiply
    2,080,340.80x = 3,120,511.20 × 1,449,966.40
  4. Step 4: Simplify right side
    2,080,340.80x = 4,524,636,390,823.68
  5. Step 5: Solve for x
    x = 4,524,636,390,823.68/2,080,340.80
  6. Step 6: Final answer
    x = 2,174,949.60

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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.