Home / 2,153,165.69-3,230,380.03-636,888.52

Finding the Fourth Proportional to 2,153,165.69, 3,230,380.03 and 636,888.52

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Solution

The fourth proportional to 2,153,165.69, 3,230,380.03 and 636,888.52 is: 955,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,165.69 : 3,230,380.03 = 636,888.52 : x
  2. Step 2: Convert to fraction form
    2,153,165.69/3,230,380.03 = 636,888.52/x
  3. Step 3: Cross multiply
    2,153,165.69x = 3,230,380.03 × 636,888.52
  4. Step 4: Simplify right side
    2,153,165.69x = 2,057,391,956,344.26
  5. Step 5: Solve for x
    x = 2,057,391,956,344.26/2,153,165.69
  6. Step 6: Final answer
    x = 955,519.57

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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.