Home / 2,117,408.80-3,171,447.60-1,482,887.20

Finding the Fourth Proportional to 2,117,408.80, 3,171,447.60 and 1,482,887.20

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Solution

The fourth proportional to 2,117,408.80, 3,171,447.60 and 1,482,887.20 is: 2,221,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,408.80 : 3,171,447.60 = 1,482,887.20 : x
  2. Step 2: Convert to fraction form
    2,117,408.80/3,171,447.60 = 1,482,887.20/x
  3. Step 3: Cross multiply
    2,117,408.80x = 3,171,447.60 × 1,482,887.20
  4. Step 4: Simplify right side
    2,117,408.80x = 4,702,899,051,510.72
  5. Step 5: Solve for x
    x = 4,702,899,051,510.72/2,117,408.80
  6. Step 6: Final answer
    x = 2,221,063.34

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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.