Home / 3,908,618.33-5,393,621.06-2,166,270.67

Finding the Fourth Proportional to 3,908,618.33, 5,393,621.06 and 2,166,270.67

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Solution

The fourth proportional to 3,908,618.33, 5,393,621.06 and 2,166,270.67 is: 2,989,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,618.33 : 5,393,621.06 = 2,166,270.67 : x
  2. Step 2: Convert to fraction form
    3,908,618.33/5,393,621.06 = 2,166,270.67/x
  3. Step 3: Cross multiply
    3,908,618.33x = 5,393,621.06 × 2,166,270.67
  4. Step 4: Simplify right side
    3,908,618.33x = 11,684,043,107,372.31
  5. Step 5: Solve for x
    x = 11,684,043,107,372.31/3,908,618.33
  6. Step 6: Final answer
    x = 2,989,302.64

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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.