Home / 3,855,278.72-5,320,421.88-2,327,087.36

Finding the Fourth Proportional to 3,855,278.72, 5,320,421.88 and 2,327,087.36

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Solution

The fourth proportional to 3,855,278.72, 5,320,421.88 and 2,327,087.36 is: 3,211,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,278.72 : 5,320,421.88 = 2,327,087.36 : x
  2. Step 2: Convert to fraction form
    3,855,278.72/5,320,421.88 = 2,327,087.36/x
  3. Step 3: Cross multiply
    3,855,278.72x = 5,320,421.88 × 2,327,087.36
  4. Step 4: Simplify right side
    3,855,278.72x = 12,381,086,506,815.44
  5. Step 5: Solve for x
    x = 12,381,086,506,815.44/3,855,278.72
  6. Step 6: Final answer
    x = 3,211,463.40

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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.