Home / 2,211,958.44-3,318,870.78-1,315,113.48

Finding the Fourth Proportional to 2,211,958.44, 3,318,870.78 and 1,315,113.48

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Solution

The fourth proportional to 2,211,958.44, 3,318,870.78 and 1,315,113.48 is: 1,973,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,958.44 : 3,318,870.78 = 1,315,113.48 : x
  2. Step 2: Convert to fraction form
    2,211,958.44/3,318,870.78 = 1,315,113.48/x
  3. Step 3: Cross multiply
    2,211,958.44x = 3,318,870.78 × 1,315,113.48
  4. Step 4: Simplify right side
    2,211,958.44x = 4,364,691,701,156.11
  5. Step 5: Solve for x
    x = 4,364,691,701,156.11/2,211,958.44
  6. Step 6: Final answer
    x = 1,973,225.00

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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.