Home / 3,966,064.32-5,473,142.72-2,155,228.16

Finding the Fourth Proportional to 3,966,064.32, 5,473,142.72 and 2,155,228.16

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Solution

The fourth proportional to 3,966,064.32, 5,473,142.72 and 2,155,228.16 is: 2,974,200.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966,064.32 : 5,473,142.72 = 2,155,228.16 : x
  2. Step 2: Convert to fraction form
    3,966,064.32/5,473,142.72 = 2,155,228.16/x
  3. Step 3: Cross multiply
    3,966,064.32x = 5,473,142.72 × 2,155,228.16
  4. Step 4: Simplify right side
    3,966,064.32x = 11,795,871,313,843.00
  5. Step 5: Solve for x
    x = 11,795,871,313,843.00/3,966,064.32
  6. Step 6: Final answer
    x = 2,974,200.71

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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.