Home / 1,861,831.16-2,568,517.20-1,173,084.92

Finding the Fourth Proportional to 1,861,831.16, 2,568,517.20 and 1,173,084.92

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Solution

The fourth proportional to 1,861,831.16, 2,568,517.20 and 1,173,084.92 is: 1,618,346.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,831.16 : 2,568,517.20 = 1,173,084.92 : x
  2. Step 2: Convert to fraction form
    1,861,831.16/2,568,517.20 = 1,173,084.92/x
  3. Step 3: Cross multiply
    1,861,831.16x = 2,568,517.20 × 1,173,084.92
  4. Step 4: Simplify right side
    1,861,831.16x = 3,013,088,794,080.62
  5. Step 5: Solve for x
    x = 3,013,088,794,080.62/1,861,831.16
  6. Step 6: Final answer
    x = 1,618,346.96

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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.