Home / 3,131,143.07-4,695,234.27-1,212,952.71

Finding the Fourth Proportional to 3,131,143.07, 4,695,234.27 and 1,212,952.71

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Solution

The fourth proportional to 3,131,143.07, 4,695,234.27 and 1,212,952.71 is: 1,818,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,143.07 : 4,695,234.27 = 1,212,952.71 : x
  2. Step 2: Convert to fraction form
    3,131,143.07/4,695,234.27 = 1,212,952.71/x
  3. Step 3: Cross multiply
    3,131,143.07x = 4,695,234.27 × 1,212,952.71
  4. Step 4: Simplify right side
    3,131,143.07x = 5,695,097,131,881.37
  5. Step 5: Solve for x
    x = 5,695,097,131,881.37/3,131,143.07
  6. Step 6: Final answer
    x = 1,818,855.61

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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.