Home / 2,710,986.98-4,066,489.97-689,231.11

Finding the Fourth Proportional to 2,710,986.98, 4,066,489.97 and 689,231.11

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Solution

The fourth proportional to 2,710,986.98, 4,066,489.97 and 689,231.11 is: 1,033,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710,986.98 : 4,066,489.97 = 689,231.11 : x
  2. Step 2: Convert to fraction form
    2,710,986.98/4,066,489.97 = 689,231.11/x
  3. Step 3: Cross multiply
    2,710,986.98x = 4,066,489.97 × 689,231.11
  4. Step 4: Simplify right side
    2,710,986.98x = 2,802,751,375,494.52
  5. Step 5: Solve for x
    x = 2,802,751,375,494.52/2,710,986.98
  6. Step 6: Final answer
    x = 1,033,849.07

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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.