Home / 2,666,131.62-3,999,612.18-868,596.66

Finding the Fourth Proportional to 2,666,131.62, 3,999,612.18 and 868,596.66

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Solution

The fourth proportional to 2,666,131.62, 3,999,612.18 and 868,596.66 is: 1,303,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,131.62 : 3,999,612.18 = 868,596.66 : x
  2. Step 2: Convert to fraction form
    2,666,131.62/3,999,612.18 = 868,596.66/x
  3. Step 3: Cross multiply
    2,666,131.62x = 3,999,612.18 × 868,596.66
  4. Step 4: Simplify right side
    2,666,131.62x = 3,474,049,780,843.32
  5. Step 5: Solve for x
    x = 3,474,049,780,843.32/2,666,131.62
  6. Step 6: Final answer
    x = 1,303,030.11

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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.