Home / 2,989,423.53-4,125,535.81-1,682,759.89

Finding the Fourth Proportional to 2,989,423.53, 4,125,535.81 and 1,682,759.89

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Solution

The fourth proportional to 2,989,423.53, 4,125,535.81 and 1,682,759.89 is: 2,322,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,423.53 : 4,125,535.81 = 1,682,759.89 : x
  2. Step 2: Convert to fraction form
    2,989,423.53/4,125,535.81 = 1,682,759.89/x
  3. Step 3: Cross multiply
    2,989,423.53x = 4,125,535.81 × 1,682,759.89
  4. Step 4: Simplify right side
    2,989,423.53x = 6,942,286,165,198.98
  5. Step 5: Solve for x
    x = 6,942,286,165,198.98/2,989,423.53
  6. Step 6: Final answer
    x = 2,322,282.58

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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.