Home / 2,859,502.91-4,289,980.94-810,161.23

Finding the Fourth Proportional to 2,859,502.91, 4,289,980.94 and 810,161.23

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Solution

The fourth proportional to 2,859,502.91, 4,289,980.94 and 810,161.23 is: 1,215,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,502.91 : 4,289,980.94 = 810,161.23 : x
  2. Step 2: Convert to fraction form
    2,859,502.91/4,289,980.94 = 810,161.23/x
  3. Step 3: Cross multiply
    2,859,502.91x = 4,289,980.94 × 810,161.23
  4. Step 4: Simplify right side
    2,859,502.91x = 3,475,576,220,251.20
  5. Step 5: Solve for x
    x = 3,475,576,220,251.20/2,859,502.91
  6. Step 6: Final answer
    x = 1,215,447.70

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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.