Home / 3,661,228.32-5,485,642.28-2,217,549.48

Finding the Fourth Proportional to 3,661,228.32, 5,485,642.28 and 2,217,549.48

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Solution

The fourth proportional to 3,661,228.32, 5,485,642.28 and 2,217,549.48 is: 3,322,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661,228.32 : 5,485,642.28 = 2,217,549.48 : x
  2. Step 2: Convert to fraction form
    3,661,228.32/5,485,642.28 = 2,217,549.48/x
  3. Step 3: Cross multiply
    3,661,228.32x = 5,485,642.28 × 2,217,549.48
  4. Step 4: Simplify right side
    3,661,228.32x = 12,164,683,185,480.02
  5. Step 5: Solve for x
    x = 12,164,683,185,480.02/3,661,228.32
  6. Step 6: Final answer
    x = 3,322,568.85

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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.