Home / 2,171,944.80-3,258,694.80-910,159.20

Finding the Fourth Proportional to 2,171,944.80, 3,258,694.80 and 910,159.20

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Solution

The fourth proportional to 2,171,944.80, 3,258,694.80 and 910,159.20 is: 1,365,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,944.80 : 3,258,694.80 = 910,159.20 : x
  2. Step 2: Convert to fraction form
    2,171,944.80/3,258,694.80 = 910,159.20/x
  3. Step 3: Cross multiply
    2,171,944.80x = 3,258,694.80 × 910,159.20
  4. Step 4: Simplify right side
    2,171,944.80x = 2,965,931,052,212.16
  5. Step 5: Solve for x
    x = 2,965,931,052,212.16/2,171,944.80
  6. Step 6: Final answer
    x = 1,365,564.66

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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.