Home / 3,147,514.86-4,343,570.67-1,789,387.86

Finding the Fourth Proportional to 3,147,514.86, 4,343,570.67 and 1,789,387.86

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Solution

The fourth proportional to 3,147,514.86, 4,343,570.67 and 1,789,387.86 is: 2,469,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,514.86 : 4,343,570.67 = 1,789,387.86 : x
  2. Step 2: Convert to fraction form
    3,147,514.86/4,343,570.67 = 1,789,387.86/x
  3. Step 3: Cross multiply
    3,147,514.86x = 4,343,570.67 × 1,789,387.86
  4. Step 4: Simplify right side
    3,147,514.86x = 7,772,332,625,950.07
  5. Step 5: Solve for x
    x = 7,772,332,625,950.07/3,147,514.86
  6. Step 6: Final answer
    x = 2,469,355.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.