Home / 3,880,198.08-5,354,835.84-2,161,316.16

Finding the Fourth Proportional to 3,880,198.08, 5,354,835.84 and 2,161,316.16

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Solution

The fourth proportional to 3,880,198.08, 5,354,835.84 and 2,161,316.16 is: 2,982,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,198.08 : 5,354,835.84 = 2,161,316.16 : x
  2. Step 2: Convert to fraction form
    3,880,198.08/5,354,835.84 = 2,161,316.16/x
  3. Step 3: Cross multiply
    3,880,198.08x = 5,354,835.84 × 2,161,316.16
  4. Step 4: Simplify right side
    3,880,198.08x = 11,573,493,235,139.18
  5. Step 5: Solve for x
    x = 11,573,493,235,139.18/3,880,198.08
  6. Step 6: Final answer
    x = 2,982,706.81

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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.