Home / 2,850,942.92-3,934,345.84-1,561,698.20

Finding the Fourth Proportional to 2,850,942.92, 3,934,345.84 and 1,561,698.20

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Solution

The fourth proportional to 2,850,942.92, 3,934,345.84 and 1,561,698.20 is: 2,155,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,942.92 : 3,934,345.84 = 1,561,698.20 : x
  2. Step 2: Convert to fraction form
    2,850,942.92/3,934,345.84 = 1,561,698.20/x
  3. Step 3: Cross multiply
    2,850,942.92x = 3,934,345.84 × 1,561,698.20
  4. Step 4: Simplify right side
    2,850,942.92x = 6,144,260,816,505.49
  5. Step 5: Solve for x
    x = 6,144,260,816,505.49/2,850,942.92
  6. Step 6: Final answer
    x = 2,155,167.95

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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.