Home / 2,801,855.34-4,202,786.16-780,103.71

Finding the Fourth Proportional to 2,801,855.34, 4,202,786.16 and 780,103.71

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Solution

The fourth proportional to 2,801,855.34, 4,202,786.16 and 780,103.71 is: 1,170,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,855.34 : 4,202,786.16 = 780,103.71 : x
  2. Step 2: Convert to fraction form
    2,801,855.34/4,202,786.16 = 780,103.71/x
  3. Step 3: Cross multiply
    2,801,855.34x = 4,202,786.16 × 780,103.71
  4. Step 4: Simplify right side
    2,801,855.34x = 3,278,609,075,752.65
  5. Step 5: Solve for x
    x = 3,278,609,075,752.65/2,801,855.34
  6. Step 6: Final answer
    x = 1,170,156.44

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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.