Home / 2,990,223.33-4,131,906-2,129,288.91

Finding the Fourth Proportional to 2,990,223.33, 4,131,906 and 2,129,288.91

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Solution

The fourth proportional to 2,990,223.33, 4,131,906 and 2,129,288.91 is: 2,942,262.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,223.33 : 4,131,906 = 2,129,288.91 : x
  2. Step 2: Convert to fraction form
    2,990,223.33/4,131,906 = 2,129,288.91/x
  3. Step 3: Cross multiply
    2,990,223.33x = 4,131,906 × 2,129,288.91
  4. Step 4: Simplify right side
    2,990,223.33x = 8,798,021,622,962.46
  5. Step 5: Solve for x
    x = 8,798,021,622,962.46/2,990,223.33
  6. Step 6: Final answer
    x = 2,942,262.38

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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.