Home / 2,225,680.20-3,071,442.24-1,207,085.76

Finding the Fourth Proportional to 2,225,680.20, 3,071,442.24 and 1,207,085.76

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Solution

The fourth proportional to 2,225,680.20, 3,071,442.24 and 1,207,085.76 is: 1,665,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,680.20 : 3,071,442.24 = 1,207,085.76 : x
  2. Step 2: Convert to fraction form
    2,225,680.20/3,071,442.24 = 1,207,085.76/x
  3. Step 3: Cross multiply
    2,225,680.20x = 3,071,442.24 × 1,207,085.76
  4. Step 4: Simplify right side
    2,225,680.20x = 3,707,494,190,566.50
  5. Step 5: Solve for x
    x = 3,707,494,190,566.50/2,225,680.20
  6. Step 6: Final answer
    x = 1,665,780.28

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1.5x scale

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.