Home / 1,812,174.12-2,500,806.69-996,429.09

Finding the Fourth Proportional to 1,812,174.12, 2,500,806.69 and 996,429.09

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Solution

The fourth proportional to 1,812,174.12, 2,500,806.69 and 996,429.09 is: 1,375,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,174.12 : 2,500,806.69 = 996,429.09 : x
  2. Step 2: Convert to fraction form
    1,812,174.12/2,500,806.69 = 996,429.09/x
  3. Step 3: Cross multiply
    1,812,174.12x = 2,500,806.69 × 996,429.09
  4. Step 4: Simplify right side
    1,812,174.12x = 2,491,876,543,760.64
  5. Step 5: Solve for x
    x = 2,491,876,543,760.64/1,812,174.12
  6. Step 6: Final answer
    x = 1,375,075.67

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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.