Home / 3,865,806.11-5,334,494.82-2,123,385.45

Finding the Fourth Proportional to 3,865,806.11, 5,334,494.82 and 2,123,385.45

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Solution

The fourth proportional to 3,865,806.11, 5,334,494.82 and 2,123,385.45 is: 2,930,097.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,806.11 : 5,334,494.82 = 2,123,385.45 : x
  2. Step 2: Convert to fraction form
    3,865,806.11/5,334,494.82 = 2,123,385.45/x
  3. Step 3: Cross multiply
    3,865,806.11x = 5,334,494.82 × 2,123,385.45
  4. Step 4: Simplify right side
    3,865,806.11x = 11,327,188,683,888.37
  5. Step 5: Solve for x
    x = 11,327,188,683,888.37/3,865,806.11
  6. Step 6: Final answer
    x = 2,930,097.47

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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.