Home / 2,171,118.70-3,256,701.40-654,814.78

Finding the Fourth Proportional to 2,171,118.70, 3,256,701.40 and 654,814.78

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Solution

The fourth proportional to 2,171,118.70, 3,256,701.40 and 654,814.78 is: 982,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,118.70 : 3,256,701.40 = 654,814.78 : x
  2. Step 2: Convert to fraction form
    2,171,118.70/3,256,701.40 = 654,814.78/x
  3. Step 3: Cross multiply
    2,171,118.70x = 3,256,701.40 × 654,814.78
  4. Step 4: Simplify right side
    2,171,118.70x = 2,132,536,203,443.46
  5. Step 5: Solve for x
    x = 2,132,536,203,443.46/2,171,118.70
  6. Step 6: Final answer
    x = 982,229.21

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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.