Home / 3,211,675.11-4,431,441.56-2,179,981.35

Finding the Fourth Proportional to 3,211,675.11, 4,431,441.56 and 2,179,981.35

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Solution

The fourth proportional to 3,211,675.11, 4,431,441.56 and 2,179,981.35 is: 3,007,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,675.11 : 4,431,441.56 = 2,179,981.35 : x
  2. Step 2: Convert to fraction form
    3,211,675.11/4,431,441.56 = 2,179,981.35/x
  3. Step 3: Cross multiply
    3,211,675.11x = 4,431,441.56 × 2,179,981.35
  4. Step 4: Simplify right side
    3,211,675.11x = 9,660,459,943,515.00
  5. Step 5: Solve for x
    x = 9,660,459,943,515.00/3,211,675.11
  6. Step 6: Final answer
    x = 3,007,919.42

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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.