Home / 2,666,515.34-3,679,780.97-1,442,823.23

Finding the Fourth Proportional to 2,666,515.34, 3,679,780.97 and 1,442,823.23

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Solution

The fourth proportional to 2,666,515.34, 3,679,780.97 and 1,442,823.23 is: 1,991,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,515.34 : 3,679,780.97 = 1,442,823.23 : x
  2. Step 2: Convert to fraction form
    2,666,515.34/3,679,780.97 = 1,442,823.23/x
  3. Step 3: Cross multiply
    2,666,515.34x = 3,679,780.97 × 1,442,823.23
  4. Step 4: Simplify right side
    2,666,515.34x = 5,309,273,439,214.91
  5. Step 5: Solve for x
    x = 5,309,273,439,214.91/2,666,515.34
  6. Step 6: Final answer
    x = 1,991,090.53

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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.