Home / 2,100,034.20-3,150,051.30-1,298,717.40

Finding the Fourth Proportional to 2,100,034.20, 3,150,051.30 and 1,298,717.40

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Solution

The fourth proportional to 2,100,034.20, 3,150,051.30 and 1,298,717.40 is: 1,948,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,034.20 : 3,150,051.30 = 1,298,717.40 : x
  2. Step 2: Convert to fraction form
    2,100,034.20/3,150,051.30 = 1,298,717.40/x
  3. Step 3: Cross multiply
    2,100,034.20x = 3,150,051.30 × 1,298,717.40
  4. Step 4: Simplify right side
    2,100,034.20x = 4,091,026,434,202.62
  5. Step 5: Solve for x
    x = 4,091,026,434,202.62/2,100,034.20
  6. Step 6: Final answer
    x = 1,948,076.10

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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.