Home / 2,225,707.20-3,071,479.50-1,207,112.76

Finding the Fourth Proportional to 2,225,707.20, 3,071,479.50 and 1,207,112.76

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Solution

The fourth proportional to 2,225,707.20, 3,071,479.50 and 1,207,112.76 is: 1,665,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,707.20 : 3,071,479.50 = 1,207,112.76 : x
  2. Step 2: Convert to fraction form
    2,225,707.20/3,071,479.50 = 1,207,112.76/x
  3. Step 3: Cross multiply
    2,225,707.20x = 3,071,479.50 × 1,207,112.76
  4. Step 4: Simplify right side
    2,225,707.20x = 3,707,622,096,528.42
  5. Step 5: Solve for x
    x = 3,707,622,096,528.42/2,225,707.20
  6. Step 6: Final answer
    x = 1,665,817.54

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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.