Home / 2,186,980.20-3,280,470.30-766,523.70

Finding the Fourth Proportional to 2,186,980.20, 3,280,470.30 and 766,523.70

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Solution

The fourth proportional to 2,186,980.20, 3,280,470.30 and 766,523.70 is: 1,149,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,980.20 : 3,280,470.30 = 766,523.70 : x
  2. Step 2: Convert to fraction form
    2,186,980.20/3,280,470.30 = 766,523.70/x
  3. Step 3: Cross multiply
    2,186,980.20x = 3,280,470.30 × 766,523.70
  4. Step 4: Simplify right side
    2,186,980.20x = 2,514,558,232,096.11
  5. Step 5: Solve for x
    x = 2,514,558,232,096.11/2,186,980.20
  6. Step 6: Final answer
    x = 1,149,785.55

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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.