Home / 2,085,346.80-3,128,020.20-1,637,449.20

Finding the Fourth Proportional to 2,085,346.80, 3,128,020.20 and 1,637,449.20

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Solution

The fourth proportional to 2,085,346.80, 3,128,020.20 and 1,637,449.20 is: 2,456,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,346.80 : 3,128,020.20 = 1,637,449.20 : x
  2. Step 2: Convert to fraction form
    2,085,346.80/3,128,020.20 = 1,637,449.20/x
  3. Step 3: Cross multiply
    2,085,346.80x = 3,128,020.20 × 1,637,449.20
  4. Step 4: Simplify right side
    2,085,346.80x = 5,121,974,174,073.84
  5. Step 5: Solve for x
    x = 5,121,974,174,073.84/2,085,346.80
  6. Step 6: Final answer
    x = 2,456,173.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.