Home / 2,179,928.64-3,265,166.88-1,055,640

Finding the Fourth Proportional to 2,179,928.64, 3,265,166.88 and 1,055,640

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Solution

The fourth proportional to 2,179,928.64, 3,265,166.88 and 1,055,640 is: 1,581,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,928.64 : 3,265,166.88 = 1,055,640 : x
  2. Step 2: Convert to fraction form
    2,179,928.64/3,265,166.88 = 1,055,640/x
  3. Step 3: Cross multiply
    2,179,928.64x = 3,265,166.88 × 1,055,640
  4. Step 4: Simplify right side
    2,179,928.64x = 3,446,840,765,203.20
  5. Step 5: Solve for x
    x = 3,446,840,765,203.20/2,179,928.64
  6. Step 6: Final answer
    x = 1,581,171.38

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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.