Home / 3,172,598.12-4,378,190.87-1,814,471.12

Finding the Fourth Proportional to 3,172,598.12, 4,378,190.87 and 1,814,471.12

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Solution

The fourth proportional to 3,172,598.12, 4,378,190.87 and 1,814,471.12 is: 2,503,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,598.12 : 4,378,190.87 = 1,814,471.12 : x
  2. Step 2: Convert to fraction form
    3,172,598.12/4,378,190.87 = 1,814,471.12/x
  3. Step 3: Cross multiply
    3,172,598.12x = 4,378,190.87 × 1,814,471.12
  4. Step 4: Simplify right side
    3,172,598.12x = 7,944,100,860,499.37
  5. Step 5: Solve for x
    x = 7,944,100,860,499.37/3,172,598.12
  6. Step 6: Final answer
    x = 2,503,973.26

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1.5x scale

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.