Home / 2,153,164.69-3,230,378.53-636,887.52

Finding the Fourth Proportional to 2,153,164.69, 3,230,378.53 and 636,887.52

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Solution

The fourth proportional to 2,153,164.69, 3,230,378.53 and 636,887.52 is: 955,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,164.69 : 3,230,378.53 = 636,887.52 : x
  2. Step 2: Convert to fraction form
    2,153,164.69/3,230,378.53 = 636,887.52/x
  3. Step 3: Cross multiply
    2,153,164.69x = 3,230,378.53 × 636,887.52
  4. Step 4: Simplify right side
    2,153,164.69x = 2,057,387,770,632.95
  5. Step 5: Solve for x
    x = 2,057,387,770,632.95/2,153,164.69
  6. Step 6: Final answer
    x = 955,518.07

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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.