Home / 3,763,075.68-5,191,900.20-2,131,223.76

Finding the Fourth Proportional to 3,763,075.68, 5,191,900.20 and 2,131,223.76

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Solution

The fourth proportional to 3,763,075.68, 5,191,900.20 and 2,131,223.76 is: 2,940,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763,075.68 : 5,191,900.20 = 2,131,223.76 : x
  2. Step 2: Convert to fraction form
    3,763,075.68/5,191,900.20 = 2,131,223.76/x
  3. Step 3: Cross multiply
    3,763,075.68x = 5,191,900.20 × 2,131,223.76
  4. Step 4: Simplify right side
    3,763,075.68x = 11,065,101,065,788.75
  5. Step 5: Solve for x
    x = 11,065,101,065,788.75/3,763,075.68
  6. Step 6: Final answer
    x = 2,940,440.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.