Home / 2,399,263.74-3,310,976.25-1,311,535.80

Finding the Fourth Proportional to 2,399,263.74, 3,310,976.25 and 1,311,535.80

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Solution

The fourth proportional to 2,399,263.74, 3,310,976.25 and 1,311,535.80 is: 1,809,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,263.74 : 3,310,976.25 = 1,311,535.80 : x
  2. Step 2: Convert to fraction form
    2,399,263.74/3,310,976.25 = 1,311,535.80/x
  3. Step 3: Cross multiply
    2,399,263.74x = 3,310,976.25 × 1,311,535.80
  4. Step 4: Simplify right side
    2,399,263.74x = 4,342,463,884,824.75
  5. Step 5: Solve for x
    x = 4,342,463,884,824.75/2,399,263.74
  6. Step 6: Final answer
    x = 1,809,915.19

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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.