Home / 1,949,810.92-2,691,415.54-1,339,982.40

Finding the Fourth Proportional to 1,949,810.92, 2,691,415.54 and 1,339,982.40

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Solution

The fourth proportional to 1,949,810.92, 2,691,415.54 and 1,339,982.40 is: 1,849,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,810.92 : 2,691,415.54 = 1,339,982.40 : x
  2. Step 2: Convert to fraction form
    1,949,810.92/2,691,415.54 = 1,339,982.40/x
  3. Step 3: Cross multiply
    1,949,810.92x = 2,691,415.54 × 1,339,982.40
  4. Step 4: Simplify right side
    1,949,810.92x = 3,606,449,454,686.50
  5. Step 5: Solve for x
    x = 3,606,449,454,686.50/1,949,810.92
  6. Step 6: Final answer
    x = 1,849,640.61

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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.