Home / 3,291,128.64-4,542,178.14-1,840,904.64

Finding the Fourth Proportional to 3,291,128.64, 4,542,178.14 and 1,840,904.64

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Solution

The fourth proportional to 3,291,128.64, 4,542,178.14 and 1,840,904.64 is: 2,540,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,128.64 : 4,542,178.14 = 1,840,904.64 : x
  2. Step 2: Convert to fraction form
    3,291,128.64/4,542,178.14 = 1,840,904.64/x
  3. Step 3: Cross multiply
    3,291,128.64x = 4,542,178.14 × 1,840,904.64
  4. Step 4: Simplify right side
    3,291,128.64x = 8,361,716,813,632.57
  5. Step 5: Solve for x
    x = 8,361,716,813,632.57/3,291,128.64
  6. Step 6: Final answer
    x = 2,540,683.68

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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.