Home / 5,117,619.53-7,679,086.02-2,087,208.65

Finding the Fourth Proportional to 5,117,619.53, 7,679,086.02 and 2,087,208.65

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Solution

The fourth proportional to 5,117,619.53, 7,679,086.02 and 2,087,208.65 is: 3,131,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,619.53 : 7,679,086.02 = 2,087,208.65 : x
  2. Step 2: Convert to fraction form
    5,117,619.53/7,679,086.02 = 2,087,208.65/x
  3. Step 3: Cross multiply
    5,117,619.53x = 7,679,086.02 × 2,087,208.65
  4. Step 4: Simplify right side
    5,117,619.53x = 16,027,854,726,642.64
  5. Step 5: Solve for x
    x = 16,027,854,726,642.64/5,117,619.53
  6. Step 6: Final answer
    x = 3,131,896.51

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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.