Home / 2,628,926.80-3,945,139.80-1,491,686.80

Finding the Fourth Proportional to 2,628,926.80, 3,945,139.80 and 1,491,686.80

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Solution

The fourth proportional to 2,628,926.80, 3,945,139.80 and 1,491,686.80 is: 2,238,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,926.80 : 3,945,139.80 = 1,491,686.80 : x
  2. Step 2: Convert to fraction form
    2,628,926.80/3,945,139.80 = 1,491,686.80/x
  3. Step 3: Cross multiply
    2,628,926.80x = 3,945,139.80 × 1,491,686.80
  4. Step 4: Simplify right side
    2,628,926.80x = 5,884,912,963,814.64
  5. Step 5: Solve for x
    x = 5,884,912,963,814.64/2,628,926.80
  6. Step 6: Final answer
    x = 2,238,522.95

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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.