Home / 3,939,562.45-5,436,679.37-2,220,682.51

Finding the Fourth Proportional to 3,939,562.45, 5,436,679.37 and 2,220,682.51

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Solution

The fourth proportional to 3,939,562.45, 5,436,679.37 and 2,220,682.51 is: 3,064,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,562.45 : 5,436,679.37 = 2,220,682.51 : x
  2. Step 2: Convert to fraction form
    3,939,562.45/5,436,679.37 = 2,220,682.51/x
  3. Step 3: Cross multiply
    3,939,562.45x = 5,436,679.37 × 2,220,682.51
  4. Step 4: Simplify right side
    3,939,562.45x = 12,073,138,789,436.82
  5. Step 5: Solve for x
    x = 12,073,138,789,436.82/3,939,562.45
  6. Step 6: Final answer
    x = 3,064,588.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.