Home / 3,939,567.50-5,436,686.32-2,220,687.56

Finding the Fourth Proportional to 3,939,567.50, 5,436,686.32 and 2,220,687.56

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Solution

The fourth proportional to 3,939,567.50, 5,436,686.32 and 2,220,687.56 is: 3,064,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,567.50 : 5,436,686.32 = 2,220,687.56 : x
  2. Step 2: Convert to fraction form
    3,939,567.50/5,436,686.32 = 2,220,687.56/x
  3. Step 3: Cross multiply
    3,939,567.50x = 5,436,686.32 × 2,220,687.56
  4. Step 4: Simplify right side
    3,939,567.50x = 12,073,181,686,486.18
  5. Step 5: Solve for x
    x = 12,073,181,686,486.18/3,939,567.50
  6. Step 6: Final answer
    x = 3,064,595.71

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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.