Home / 3,781,825.96-5,672,788.16-1,257,481.20

Finding the Fourth Proportional to 3,781,825.96, 5,672,788.16 and 1,257,481.20

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Solution

The fourth proportional to 3,781,825.96, 5,672,788.16 and 1,257,481.20 is: 1,886,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,825.96 : 5,672,788.16 = 1,257,481.20 : x
  2. Step 2: Convert to fraction form
    3,781,825.96/5,672,788.16 = 1,257,481.20/x
  3. Step 3: Cross multiply
    3,781,825.96x = 5,672,788.16 × 1,257,481.20
  4. Step 4: Simplify right side
    3,781,825.96x = 7,133,424,462,782.59
  5. Step 5: Solve for x
    x = 7,133,424,462,782.59/3,781,825.96
  6. Step 6: Final answer
    x = 1,886,238.17

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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.