Home / 2,666,936.58-3,680,381.64-1,443,241.78

Finding the Fourth Proportional to 2,666,936.58, 3,680,381.64 and 1,443,241.78

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Solution

The fourth proportional to 2,666,936.58, 3,680,381.64 and 1,443,241.78 is: 1,991,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,936.58 : 3,680,381.64 = 1,443,241.78 : x
  2. Step 2: Convert to fraction form
    2,666,936.58/3,680,381.64 = 1,443,241.78/x
  3. Step 3: Cross multiply
    2,666,936.58x = 3,680,381.64 × 1,443,241.78
  4. Step 4: Simplify right side
    2,666,936.58x = 5,311,680,549,192.92
  5. Step 5: Solve for x
    x = 5,311,680,549,192.92/2,666,936.58
  6. Step 6: Final answer
    x = 1,991,678.61

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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.