Home / 2,221,078.72-3,331,618.54-801,134.64

Finding the Fourth Proportional to 2,221,078.72, 3,331,618.54 and 801,134.64

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Solution

The fourth proportional to 2,221,078.72, 3,331,618.54 and 801,134.64 is: 1,201,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,078.72 : 3,331,618.54 = 801,134.64 : x
  2. Step 2: Convert to fraction form
    2,221,078.72/3,331,618.54 = 801,134.64/x
  3. Step 3: Cross multiply
    2,221,078.72x = 3,331,618.54 × 801,134.64
  4. Step 4: Simplify right side
    2,221,078.72x = 2,669,075,019,660.23
  5. Step 5: Solve for x
    x = 2,669,075,019,660.23/2,221,078.72
  6. Step 6: Final answer
    x = 1,201,702.13

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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.