Home / 3,865,805.11-5,334,493.44-2,123,384.45

Finding the Fourth Proportional to 3,865,805.11, 5,334,493.44 and 2,123,384.45

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Solution

The fourth proportional to 3,865,805.11, 5,334,493.44 and 2,123,384.45 is: 2,930,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,805.11 : 5,334,493.44 = 2,123,384.45 : x
  2. Step 2: Convert to fraction form
    3,865,805.11/5,334,493.44 = 2,123,384.45/x
  3. Step 3: Cross multiply
    3,865,805.11x = 5,334,493.44 × 2,123,384.45
  4. Step 4: Simplify right side
    3,865,805.11x = 11,327,180,421,408.13
  5. Step 5: Solve for x
    x = 11,327,180,421,408.13/3,865,805.11
  6. Step 6: Final answer
    x = 2,930,096.08

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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.