Home / 2,287,680.81-3,157,002.45-1,269,085.56

Finding the Fourth Proportional to 2,287,680.81, 3,157,002.45 and 1,269,085.56

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Solution

The fourth proportional to 2,287,680.81, 3,157,002.45 and 1,269,085.56 is: 1,751,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,680.81 : 3,157,002.45 = 1,269,085.56 : x
  2. Step 2: Convert to fraction form
    2,287,680.81/3,157,002.45 = 1,269,085.56/x
  3. Step 3: Cross multiply
    2,287,680.81x = 3,157,002.45 × 1,269,085.56
  4. Step 4: Simplify right side
    2,287,680.81x = 4,006,506,222,179.62
  5. Step 5: Solve for x
    x = 4,006,506,222,179.62/2,287,680.81
  6. Step 6: Final answer
    x = 1,751,339.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.