Home / 3,938,849.20-5,908,904.80-1,664,395.92

Finding the Fourth Proportional to 3,938,849.20, 5,908,904.80 and 1,664,395.92

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Solution

The fourth proportional to 3,938,849.20, 5,908,904.80 and 1,664,395.92 is: 2,496,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,849.20 : 5,908,904.80 = 1,664,395.92 : x
  2. Step 2: Convert to fraction form
    3,938,849.20/5,908,904.80 = 1,664,395.92/x
  3. Step 3: Cross multiply
    3,938,849.20x = 5,908,904.80 × 1,664,395.92
  4. Step 4: Simplify right side
    3,938,849.20x = 9,834,757,040,788.42
  5. Step 5: Solve for x
    x = 9,834,757,040,788.42/3,938,849.20
  6. Step 6: Final answer
    x = 2,496,860.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.