Home / 3,259,812.80-4,885,782.60-1,661,553.20

Finding the Fourth Proportional to 3,259,812.80, 4,885,782.60 and 1,661,553.20

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Solution

The fourth proportional to 3,259,812.80, 4,885,782.60 and 1,661,553.20 is: 2,490,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259,812.80 : 4,885,782.60 = 1,661,553.20 : x
  2. Step 2: Convert to fraction form
    3,259,812.80/4,885,782.60 = 1,661,553.20/x
  3. Step 3: Cross multiply
    3,259,812.80x = 4,885,782.60 × 1,661,553.20
  4. Step 4: Simplify right side
    3,259,812.80x = 8,117,987,713,534.32
  5. Step 5: Solve for x
    x = 8,117,987,713,534.32/3,259,812.80
  6. Step 6: Final answer
    x = 2,490,323.28

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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.