Home / 2,080,326.60-3,120,489.90-1,371,155.40

Finding the Fourth Proportional to 2,080,326.60, 3,120,489.90 and 1,371,155.40

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Solution

The fourth proportional to 2,080,326.60, 3,120,489.90 and 1,371,155.40 is: 2,056,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,326.60 : 3,120,489.90 = 1,371,155.40 : x
  2. Step 2: Convert to fraction form
    2,080,326.60/3,120,489.90 = 1,371,155.40/x
  3. Step 3: Cross multiply
    2,080,326.60x = 3,120,489.90 × 1,371,155.40
  4. Step 4: Simplify right side
    2,080,326.60x = 4,278,676,577,030.46
  5. Step 5: Solve for x
    x = 4,278,676,577,030.46/2,080,326.60
  6. Step 6: Final answer
    x = 2,056,733.10

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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.