Home / 3,123,986.79-4,311,044.67-1,765,859.79

Finding the Fourth Proportional to 3,123,986.79, 4,311,044.67 and 1,765,859.79

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Solution

The fourth proportional to 3,123,986.79, 4,311,044.67 and 1,765,859.79 is: 2,436,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,986.79 : 4,311,044.67 = 1,765,859.79 : x
  2. Step 2: Convert to fraction form
    3,123,986.79/4,311,044.67 = 1,765,859.79/x
  3. Step 3: Cross multiply
    3,123,986.79x = 4,311,044.67 × 1,765,859.79
  4. Step 4: Simplify right side
    3,123,986.79x = 7,612,700,435,646.82
  5. Step 5: Solve for x
    x = 7,612,700,435,646.82/3,123,986.79
  6. Step 6: Final answer
    x = 2,436,854.23

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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.