Home / 2,141,086.70-3,210,347.49-681,502.71

Finding the Fourth Proportional to 2,141,086.70, 3,210,347.49 and 681,502.71

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Solution

The fourth proportional to 2,141,086.70, 3,210,347.49 and 681,502.71 is: 1,021,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,086.70 : 3,210,347.49 = 681,502.71 : x
  2. Step 2: Convert to fraction form
    2,141,086.70/3,210,347.49 = 681,502.71/x
  3. Step 3: Cross multiply
    2,141,086.70x = 3,210,347.49 × 681,502.71
  4. Step 4: Simplify right side
    2,141,086.70x = 2,187,860,514,476.70
  5. Step 5: Solve for x
    x = 2,187,860,514,476.70/2,141,086.70
  6. Step 6: Final answer
    x = 1,021,845.83

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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.