Home / 2,589,724.68-3,573,741.78-1,428,170.34

Finding the Fourth Proportional to 2,589,724.68, 3,573,741.78 and 1,428,170.34

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Solution

The fourth proportional to 2,589,724.68, 3,573,741.78 and 1,428,170.34 is: 1,970,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,724.68 : 3,573,741.78 = 1,428,170.34 : x
  2. Step 2: Convert to fraction form
    2,589,724.68/3,573,741.78 = 1,428,170.34/x
  3. Step 3: Cross multiply
    2,589,724.68x = 3,573,741.78 × 1,428,170.34
  4. Step 4: Simplify right side
    2,589,724.68x = 5,103,912,013,014.81
  5. Step 5: Solve for x
    x = 5,103,912,013,014.81/2,589,724.68
  6. Step 6: Final answer
    x = 1,970,831.90

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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.