Home / 2,312,437.57-3,189,043.46-1,985,639.42

Finding the Fourth Proportional to 2,312,437.57, 3,189,043.46 and 1,985,639.42

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Solution

The fourth proportional to 2,312,437.57, 3,189,043.46 and 1,985,639.42 is: 2,738,361.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,437.57 : 3,189,043.46 = 1,985,639.42 : x
  2. Step 2: Convert to fraction form
    2,312,437.57/3,189,043.46 = 1,985,639.42/x
  3. Step 3: Cross multiply
    2,312,437.57x = 3,189,043.46 × 1,985,639.42
  4. Step 4: Simplify right side
    2,312,437.57x = 6,332,290,419,205.90
  5. Step 5: Solve for x
    x = 6,332,290,419,205.90/2,312,437.57
  6. Step 6: Final answer
    x = 2,738,361.68

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1.5x scale

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.