Home / 3,223,886.72-4,835,655.08-979,849.76

Finding the Fourth Proportional to 3,223,886.72, 4,835,655.08 and 979,849.76

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Solution

The fourth proportional to 3,223,886.72, 4,835,655.08 and 979,849.76 is: 1,469,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223,886.72 : 4,835,655.08 = 979,849.76 : x
  2. Step 2: Convert to fraction form
    3,223,886.72/4,835,655.08 = 979,849.76/x
  3. Step 3: Cross multiply
    3,223,886.72x = 4,835,655.08 × 979,849.76
  4. Step 4: Simplify right side
    3,223,886.72x = 4,738,215,469,580.78
  5. Step 5: Solve for x
    x = 4,738,215,469,580.78/3,223,886.72
  6. Step 6: Final answer
    x = 1,469,721.45

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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.