Home / 2,153,163.69-3,230,377.03-636,886.52

Finding the Fourth Proportional to 2,153,163.69, 3,230,377.03 and 636,886.52

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Solution

The fourth proportional to 2,153,163.69, 3,230,377.03 and 636,886.52 is: 955,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,163.69 : 3,230,377.03 = 636,886.52 : x
  2. Step 2: Convert to fraction form
    2,153,163.69/3,230,377.03 = 636,886.52/x
  3. Step 3: Cross multiply
    2,153,163.69x = 3,230,377.03 × 636,886.52
  4. Step 4: Simplify right side
    2,153,163.69x = 2,057,383,581,682.77
  5. Step 5: Solve for x
    x = 2,057,383,581,682.77/2,153,163.69
  6. Step 6: Final answer
    x = 955,516.57

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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.