Home / 2,915,820.78-4,023,834.41-1,626,661.16

Finding the Fourth Proportional to 2,915,820.78, 4,023,834.41 and 1,626,661.16

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Solution

The fourth proportional to 2,915,820.78, 4,023,834.41 and 1,626,661.16 is: 2,244,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,820.78 : 4,023,834.41 = 1,626,661.16 : x
  2. Step 2: Convert to fraction form
    2,915,820.78/4,023,834.41 = 1,626,661.16/x
  3. Step 3: Cross multiply
    2,915,820.78x = 4,023,834.41 × 1,626,661.16
  4. Step 4: Simplify right side
    2,915,820.78x = 6,545,415,120,766.04
  5. Step 5: Solve for x
    x = 6,545,415,120,766.04/2,915,820.78
  6. Step 6: Final answer
    x = 2,244,793.36

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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.