Home / 2,186,977.20-3,280,465.80-766,520.70

Finding the Fourth Proportional to 2,186,977.20, 3,280,465.80 and 766,520.70

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Solution

The fourth proportional to 2,186,977.20, 3,280,465.80 and 766,520.70 is: 1,149,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,977.20 : 3,280,465.80 = 766,520.70 : x
  2. Step 2: Convert to fraction form
    2,186,977.20/3,280,465.80 = 766,520.70/x
  3. Step 3: Cross multiply
    2,186,977.20x = 3,280,465.80 × 766,520.70
  4. Step 4: Simplify right side
    2,186,977.20x = 2,514,544,941,342.06
  5. Step 5: Solve for x
    x = 2,514,544,941,342.06/2,186,977.20
  6. Step 6: Final answer
    x = 1,149,781.05

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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.