Home / 2,666,881.29-3,680,296.08-1,443,186.80

Finding the Fourth Proportional to 2,666,881.29, 3,680,296.08 and 1,443,186.80

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Solution

The fourth proportional to 2,666,881.29, 3,680,296.08 and 1,443,186.80 is: 1,991,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,881.29 : 3,680,296.08 = 1,443,186.80 : x
  2. Step 2: Convert to fraction form
    2,666,881.29/3,680,296.08 = 1,443,186.80/x
  3. Step 3: Cross multiply
    2,666,881.29x = 3,680,296.08 × 1,443,186.80
  4. Step 4: Simplify right side
    2,666,881.29x = 5,311,354,722,747.74
  5. Step 5: Solve for x
    x = 5,311,354,722,747.74/2,666,881.29
  6. Step 6: Final answer
    x = 1,991,597.73

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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.