Home / 2,660,744.80-3,993,622.80-1,399,477.60

Finding the Fourth Proportional to 2,660,744.80, 3,993,622.80 and 1,399,477.60

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Solution

The fourth proportional to 2,660,744.80, 3,993,622.80 and 1,399,477.60 is: 2,100,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,744.80 : 3,993,622.80 = 1,399,477.60 : x
  2. Step 2: Convert to fraction form
    2,660,744.80/3,993,622.80 = 1,399,477.60/x
  3. Step 3: Cross multiply
    2,660,744.80x = 3,993,622.80 × 1,399,477.60
  4. Step 4: Simplify right side
    2,660,744.80x = 5,588,985,651,449.28
  5. Step 5: Solve for x
    x = 5,588,985,651,449.28/2,660,744.80
  6. Step 6: Final answer
    x = 2,100,534.28

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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.