Home / 2,660,825.71-3,991,341.44-931,360.69

Finding the Fourth Proportional to 2,660,825.71, 3,991,341.44 and 931,360.69

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Solution

The fourth proportional to 2,660,825.71, 3,991,341.44 and 931,360.69 is: 1,397,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,825.71 : 3,991,341.44 = 931,360.69 : x
  2. Step 2: Convert to fraction form
    2,660,825.71/3,991,341.44 = 931,360.69/x
  3. Step 3: Cross multiply
    2,660,825.71x = 3,991,341.44 × 931,360.69
  4. Step 4: Simplify right side
    2,660,825.71x = 3,717,378,517,583.99
  5. Step 5: Solve for x
    x = 3,717,378,517,583.99/2,660,825.71
  6. Step 6: Final answer
    x = 1,397,077.04

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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.