Home / 3,015,251.12-4,161,087.06-1,638,622.10

Finding the Fourth Proportional to 3,015,251.12, 4,161,087.06 and 1,638,622.10

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Solution

The fourth proportional to 3,015,251.12, 4,161,087.06 and 1,638,622.10 is: 2,261,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,251.12 : 4,161,087.06 = 1,638,622.10 : x
  2. Step 2: Convert to fraction form
    3,015,251.12/4,161,087.06 = 1,638,622.10/x
  3. Step 3: Cross multiply
    3,015,251.12x = 4,161,087.06 × 1,638,622.10
  4. Step 4: Simplify right side
    3,015,251.12x = 6,818,449,216,540.03
  5. Step 5: Solve for x
    x = 6,818,449,216,540.03/3,015,251.12
  6. Step 6: Final answer
    x = 2,261,320.52

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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.