Home / 2,081,735.20-3,119,686.80-1,655,999.20

Finding the Fourth Proportional to 2,081,735.20, 3,119,686.80 and 1,655,999.20

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Solution

The fourth proportional to 2,081,735.20, 3,119,686.80 and 1,655,999.20 is: 2,481,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,735.20 : 3,119,686.80 = 1,655,999.20 : x
  2. Step 2: Convert to fraction form
    2,081,735.20/3,119,686.80 = 1,655,999.20/x
  3. Step 3: Cross multiply
    2,081,735.20x = 3,119,686.80 × 1,655,999.20
  4. Step 4: Simplify right side
    2,081,735.20x = 5,166,198,845,050.56
  5. Step 5: Solve for x
    x = 5,166,198,845,050.56/2,081,735.20
  6. Step 6: Final answer
    x = 2,481,679.15

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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.