Home / 3,882,639.78-5,356,464.66-2,576,507.76

Finding the Fourth Proportional to 3,882,639.78, 5,356,464.66 and 2,576,507.76

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Solution

The fourth proportional to 3,882,639.78, 5,356,464.66 and 2,576,507.76 is: 3,554,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882,639.78 : 5,356,464.66 = 2,576,507.76 : x
  2. Step 2: Convert to fraction form
    3,882,639.78/5,356,464.66 = 2,576,507.76/x
  3. Step 3: Cross multiply
    3,882,639.78x = 5,356,464.66 × 2,576,507.76
  4. Step 4: Simplify right side
    3,882,639.78x = 13,800,972,762,655.76
  5. Step 5: Solve for x
    x = 13,800,972,762,655.76/3,882,639.78
  6. Step 6: Final answer
    x = 3,554,533.40

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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.