Home / 1,868,728.80-2,797,188.30-1,467,195.60

Finding the Fourth Proportional to 1,868,728.80, 2,797,188.30 and 1,467,195.60

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Solution

The fourth proportional to 1,868,728.80, 2,797,188.30 and 1,467,195.60 is: 2,196,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,728.80 : 2,797,188.30 = 1,467,195.60 : x
  2. Step 2: Convert to fraction form
    1,868,728.80/2,797,188.30 = 1,467,195.60/x
  3. Step 3: Cross multiply
    1,868,728.80x = 2,797,188.30 × 1,467,195.60
  4. Step 4: Simplify right side
    1,868,728.80x = 4,104,022,366,131.48
  5. Step 5: Solve for x
    x = 4,104,022,366,131.48/1,868,728.80
  6. Step 6: Final answer
    x = 2,196,157.28

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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.