Home / 2,398,736.40-3,310,248.48-1,311,007.92

Finding the Fourth Proportional to 2,398,736.40, 3,310,248.48 and 1,311,007.92

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Solution

The fourth proportional to 2,398,736.40, 3,310,248.48 and 1,311,007.92 is: 1,809,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,398,736.40 : 3,310,248.48 = 1,311,007.92 : x
  2. Step 2: Convert to fraction form
    2,398,736.40/3,310,248.48 = 1,311,007.92/x
  3. Step 3: Cross multiply
    2,398,736.40x = 3,310,248.48 × 1,311,007.92
  4. Step 4: Simplify right side
    2,398,736.40x = 4,339,761,974,447.96
  5. Step 5: Solve for x
    x = 4,339,761,974,447.96/2,398,736.40
  6. Step 6: Final answer
    x = 1,809,186.69

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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.