Home / 3,517,616.80-5,259,836.40-2,621,821.60

Finding the Fourth Proportional to 3,517,616.80, 5,259,836.40 and 2,621,821.60

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Solution

The fourth proportional to 3,517,616.80, 5,259,836.40 and 2,621,821.60 is: 3,920,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517,616.80 : 5,259,836.40 = 2,621,821.60 : x
  2. Step 2: Convert to fraction form
    3,517,616.80/5,259,836.40 = 2,621,821.60/x
  3. Step 3: Cross multiply
    3,517,616.80x = 5,259,836.40 × 2,621,821.60
  4. Step 4: Simplify right side
    3,517,616.80x = 13,790,352,685,986.24
  5. Step 5: Solve for x
    x = 13,790,352,685,986.24/3,517,616.80
  6. Step 6: Final answer
    x = 3,920,368.10

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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.