Home / 2,215,553.80-3,321,999.77-866,109.19

Finding the Fourth Proportional to 2,215,553.80, 3,321,999.77 and 866,109.19

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Solution

The fourth proportional to 2,215,553.80, 3,321,999.77 and 866,109.19 is: 1,298,643.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,553.80 : 3,321,999.77 = 866,109.19 : x
  2. Step 2: Convert to fraction form
    2,215,553.80/3,321,999.77 = 866,109.19/x
  3. Step 3: Cross multiply
    2,215,553.80x = 3,321,999.77 × 866,109.19
  4. Step 4: Simplify right side
    2,215,553.80x = 2,877,214,525,644.34
  5. Step 5: Solve for x
    x = 2,877,214,525,644.34/2,215,553.80
  6. Step 6: Final answer
    x = 1,298,643.49

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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.