Home / 2,164,672.38-2,987,563.16-1,246,722.87

Finding the Fourth Proportional to 2,164,672.38, 2,987,563.16 and 1,246,722.87

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Solution

The fourth proportional to 2,164,672.38, 2,987,563.16 and 1,246,722.87 is: 1,720,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,672.38 : 2,987,563.16 = 1,246,722.87 : x
  2. Step 2: Convert to fraction form
    2,164,672.38/2,987,563.16 = 1,246,722.87/x
  3. Step 3: Cross multiply
    2,164,672.38x = 2,987,563.16 × 1,246,722.87
  4. Step 4: Simplify right side
    2,164,672.38x = 3,724,663,295,970.04
  5. Step 5: Solve for x
    x = 3,724,663,295,970.04/2,164,672.38
  6. Step 6: Final answer
    x = 1,720,659.13

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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.