Home / 3,312,016.80-4,571,067.20-1,861,831.68

Finding the Fourth Proportional to 3,312,016.80, 4,571,067.20 and 1,861,831.68

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Solution

The fourth proportional to 3,312,016.80, 4,571,067.20 and 1,861,831.68 is: 2,569,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312,016.80 : 4,571,067.20 = 1,861,831.68 : x
  2. Step 2: Convert to fraction form
    3,312,016.80/4,571,067.20 = 1,861,831.68/x
  3. Step 3: Cross multiply
    3,312,016.80x = 4,571,067.20 × 1,861,831.68
  4. Step 4: Simplify right side
    3,312,016.80x = 8,510,557,724,368.90
  5. Step 5: Solve for x
    x = 8,510,557,724,368.90/3,312,016.80
  6. Step 6: Final answer
    x = 2,569,599.81

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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.