Home / 2,859,503.66-4,289,982.06-810,161.98

Finding the Fourth Proportional to 2,859,503.66, 4,289,982.06 and 810,161.98

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Solution

The fourth proportional to 2,859,503.66, 4,289,982.06 and 810,161.98 is: 1,215,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,503.66 : 4,289,982.06 = 810,161.98 : x
  2. Step 2: Convert to fraction form
    2,859,503.66/4,289,982.06 = 810,161.98/x
  3. Step 3: Cross multiply
    2,859,503.66x = 4,289,982.06 × 810,161.98
  4. Step 4: Simplify right side
    2,859,503.66x = 3,475,580,349,169.12
  5. Step 5: Solve for x
    x = 3,475,580,349,169.12/2,859,503.66
  6. Step 6: Final answer
    x = 1,215,448.82

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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.