Home / 3,939,568.53-5,436,687.75-2,220,688.59

Finding the Fourth Proportional to 3,939,568.53, 5,436,687.75 and 2,220,688.59

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Solution

The fourth proportional to 3,939,568.53, 5,436,687.75 and 2,220,688.59 is: 3,064,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,568.53 : 5,436,687.75 = 2,220,688.59 : x
  2. Step 2: Convert to fraction form
    3,939,568.53/5,436,687.75 = 2,220,688.59/x
  3. Step 3: Cross multiply
    3,939,568.53x = 5,436,687.75 × 2,220,688.59
  4. Step 4: Simplify right side
    3,939,568.53x = 12,073,190,453,817.77
  5. Step 5: Solve for x
    x = 12,073,190,453,817.77/3,939,568.53
  6. Step 6: Final answer
    x = 3,064,597.14

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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.