Home / 2,172,222.90-3,258,228.44-806,262.59

Finding the Fourth Proportional to 2,172,222.90, 3,258,228.44 and 806,262.59

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Solution

The fourth proportional to 2,172,222.90, 3,258,228.44 and 806,262.59 is: 1,209,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,222.90 : 3,258,228.44 = 806,262.59 : x
  2. Step 2: Convert to fraction form
    2,172,222.90/3,258,228.44 = 806,262.59/x
  3. Step 3: Cross multiply
    2,172,222.90x = 3,258,228.44 × 806,262.59
  4. Step 4: Simplify right side
    2,172,222.90x = 2,626,987,711,007.29
  5. Step 5: Solve for x
    x = 2,626,987,711,007.29/2,172,222.90
  6. Step 6: Final answer
    x = 1,209,354.58

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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.