Home / 2,091,951.49-3,137,922.09-1,180,720.87

Finding the Fourth Proportional to 2,091,951.49, 3,137,922.09 and 1,180,720.87

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Solution

The fourth proportional to 2,091,951.49, 3,137,922.09 and 1,180,720.87 is: 1,771,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091,951.49 : 3,137,922.09 = 1,180,720.87 : x
  2. Step 2: Convert to fraction form
    2,091,951.49/3,137,922.09 = 1,180,720.87/x
  3. Step 3: Cross multiply
    2,091,951.49x = 3,137,922.09 × 1,180,720.87
  4. Step 4: Simplify right side
    2,091,951.49x = 3,705,010,100,097.02
  5. Step 5: Solve for x
    x = 3,705,010,100,097.02/2,091,951.49
  6. Step 6: Final answer
    x = 1,771,078.40

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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.