Home / 2,178,148.49-3,264,278.78-829,575.43

Finding the Fourth Proportional to 2,178,148.49, 3,264,278.78 and 829,575.43

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Solution

The fourth proportional to 2,178,148.49, 3,264,278.78 and 829,575.43 is: 1,243,241.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,148.49 : 3,264,278.78 = 829,575.43 : x
  2. Step 2: Convert to fraction form
    2,178,148.49/3,264,278.78 = 829,575.43/x
  3. Step 3: Cross multiply
    2,178,148.49x = 3,264,278.78 × 829,575.43
  4. Step 4: Simplify right side
    2,178,148.49x = 2,707,965,481,409.34
  5. Step 5: Solve for x
    x = 2,707,965,481,409.34/2,178,148.49
  6. Step 6: Final answer
    x = 1,243,241.91

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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.