Home / 2,101,081.80-3,151,622.70-2,085,335.40

Finding the Fourth Proportional to 2,101,081.80, 3,151,622.70 and 2,085,335.40

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Solution

The fourth proportional to 2,101,081.80, 3,151,622.70 and 2,085,335.40 is: 3,128,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,081.80 : 3,151,622.70 = 2,085,335.40 : x
  2. Step 2: Convert to fraction form
    2,101,081.80/3,151,622.70 = 2,085,335.40/x
  3. Step 3: Cross multiply
    2,101,081.80x = 3,151,622.70 × 2,085,335.40
  4. Step 4: Simplify right side
    2,101,081.80x = 6,572,190,383,753.58
  5. Step 5: Solve for x
    x = 6,572,190,383,753.58/2,101,081.80
  6. Step 6: Final answer
    x = 3,128,003.10

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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.