Home / 3,151,449.45-4,728,650.33-1,553,140.64

Finding the Fourth Proportional to 3,151,449.45, 4,728,650.33 and 1,553,140.64

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Solution

The fourth proportional to 3,151,449.45, 4,728,650.33 and 1,553,140.64 is: 2,330,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,449.45 : 4,728,650.33 = 1,553,140.64 : x
  2. Step 2: Convert to fraction form
    3,151,449.45/4,728,650.33 = 1,553,140.64/x
  3. Step 3: Cross multiply
    3,151,449.45x = 4,728,650.33 × 1,553,140.64
  4. Step 4: Simplify right side
    3,151,449.45x = 7,344,259,015,576.89
  5. Step 5: Solve for x
    x = 7,344,259,015,576.89/3,151,449.45
  6. Step 6: Final answer
    x = 2,330,438.46

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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.