Home / 3,318,381.67-4,977,610.71-1,399,617.22

Finding the Fourth Proportional to 3,318,381.67, 4,977,610.71 and 1,399,617.22

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Solution

The fourth proportional to 3,318,381.67, 4,977,610.71 and 1,399,617.22 is: 2,099,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,381.67 : 4,977,610.71 = 1,399,617.22 : x
  2. Step 2: Convert to fraction form
    3,318,381.67/4,977,610.71 = 1,399,617.22/x
  3. Step 3: Cross multiply
    3,318,381.67x = 4,977,610.71 × 1,399,617.22
  4. Step 4: Simplify right side
    3,318,381.67x = 6,966,749,664,172.43
  5. Step 5: Solve for x
    x = 6,966,749,664,172.43/3,318,381.67
  6. Step 6: Final answer
    x = 2,099,441.94

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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.