Home / 2,645,921.10-3,969,400.05-1,129,601.10

Finding the Fourth Proportional to 2,645,921.10, 3,969,400.05 and 1,129,601.10

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Solution

The fourth proportional to 2,645,921.10, 3,969,400.05 and 1,129,601.10 is: 1,694,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645,921.10 : 3,969,400.05 = 1,129,601.10 : x
  2. Step 2: Convert to fraction form
    2,645,921.10/3,969,400.05 = 1,129,601.10/x
  3. Step 3: Cross multiply
    2,645,921.10x = 3,969,400.05 × 1,129,601.10
  4. Step 4: Simplify right side
    2,645,921.10x = 4,483,838,662,820.06
  5. Step 5: Solve for x
    x = 4,483,838,662,820.06/2,645,921.10
  6. Step 6: Final answer
    x = 1,694,622.97

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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.