Home / 2,171,620.51-3,257,455.84-655,316.57

Finding the Fourth Proportional to 2,171,620.51, 3,257,455.84 and 655,316.57

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Solution

The fourth proportional to 2,171,620.51, 3,257,455.84 and 655,316.57 is: 982,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,620.51 : 3,257,455.84 = 655,316.57 : x
  2. Step 2: Convert to fraction form
    2,171,620.51/3,257,455.84 = 655,316.57/x
  3. Step 3: Cross multiply
    2,171,620.51x = 3,257,455.84 × 655,316.57
  4. Step 4: Simplify right side
    2,171,620.51x = 2,134,664,787,995.27
  5. Step 5: Solve for x
    x = 2,134,664,787,995.27/2,171,620.51
  6. Step 6: Final answer
    x = 982,982.42

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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.