Home / 2,266,821-3,128,212.98-1,248,223.32

Finding the Fourth Proportional to 2,266,821, 3,128,212.98 and 1,248,223.32

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Solution

The fourth proportional to 2,266,821, 3,128,212.98 and 1,248,223.32 is: 1,722,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,821 : 3,128,212.98 = 1,248,223.32 : x
  2. Step 2: Convert to fraction form
    2,266,821/3,128,212.98 = 1,248,223.32/x
  3. Step 3: Cross multiply
    2,266,821x = 3,128,212.98 × 1,248,223.32
  4. Step 4: Simplify right side
    2,266,821x = 3,904,708,391,562.69
  5. Step 5: Solve for x
    x = 3,904,708,391,562.69/2,266,821
  6. Step 6: Final answer
    x = 1,722,548.18

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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.