Home / 2,125,763.20-3,187,550.40-629,660.80

Finding the Fourth Proportional to 2,125,763.20, 3,187,550.40 and 629,660.80

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Solution

The fourth proportional to 2,125,763.20, 3,187,550.40 and 629,660.80 is: 944,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,763.20 : 3,187,550.40 = 629,660.80 : x
  2. Step 2: Convert to fraction form
    2,125,763.20/3,187,550.40 = 629,660.80/x
  3. Step 3: Cross multiply
    2,125,763.20x = 3,187,550.40 × 629,660.80
  4. Step 4: Simplify right side
    2,125,763.20x = 2,007,075,534,904.32
  5. Step 5: Solve for x
    x = 2,007,075,534,904.32/2,125,763.20
  6. Step 6: Final answer
    x = 944,167.03

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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.