Home / 3,781,116.72-5,671,665.48-1,620,741

Finding the Fourth Proportional to 3,781,116.72, 5,671,665.48 and 1,620,741

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Solution

The fourth proportional to 3,781,116.72, 5,671,665.48 and 1,620,741 is: 2,431,107.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,116.72 : 5,671,665.48 = 1,620,741 : x
  2. Step 2: Convert to fraction form
    3,781,116.72/5,671,665.48 = 1,620,741/x
  3. Step 3: Cross multiply
    3,781,116.72x = 5,671,665.48 × 1,620,741
  4. Step 4: Simplify right side
    3,781,116.72x = 9,192,300,781,720.68
  5. Step 5: Solve for x
    x = 9,192,300,781,720.68/3,781,116.72
  6. Step 6: Final answer
    x = 2,431,107.39

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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.