Home / 2,175,822.96-3,262,608.24-976,712.88

Finding the Fourth Proportional to 2,175,822.96, 3,262,608.24 and 976,712.88

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Solution

The fourth proportional to 2,175,822.96, 3,262,608.24 and 976,712.88 is: 1,464,563.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,822.96 : 3,262,608.24 = 976,712.88 : x
  2. Step 2: Convert to fraction form
    2,175,822.96/3,262,608.24 = 976,712.88/x
  3. Step 3: Cross multiply
    2,175,822.96x = 3,262,608.24 × 976,712.88
  4. Step 4: Simplify right side
    2,175,822.96x = 3,186,631,490,402.13
  5. Step 5: Solve for x
    x = 3,186,631,490,402.13/2,175,822.96
  6. Step 6: Final answer
    x = 1,464,563.78

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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.