Home / 2,142,849.69-3,214,077.70-722,918.07

Finding the Fourth Proportional to 2,142,849.69, 3,214,077.70 and 722,918.07

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Solution

The fourth proportional to 2,142,849.69, 3,214,077.70 and 722,918.07 is: 1,084,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,849.69 : 3,214,077.70 = 722,918.07 : x
  2. Step 2: Convert to fraction form
    2,142,849.69/3,214,077.70 = 722,918.07/x
  3. Step 3: Cross multiply
    2,142,849.69x = 3,214,077.70 × 722,918.07
  4. Step 4: Simplify right side
    2,142,849.69x = 2,323,514,849,295.42
  5. Step 5: Solve for x
    x = 2,323,514,849,295.42/2,142,849.69
  6. Step 6: Final answer
    x = 1,084,310.70

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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.