Home / 2,850,944.13-3,934,400.78-1,561,784.17

Finding the Fourth Proportional to 2,850,944.13, 3,934,400.78 and 1,561,784.17

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Solution

The fourth proportional to 2,850,944.13, 3,934,400.78 and 1,561,784.17 is: 2,155,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,944.13 : 3,934,400.78 = 1,561,784.17 : x
  2. Step 2: Convert to fraction form
    2,850,944.13/3,934,400.78 = 1,561,784.17/x
  3. Step 3: Cross multiply
    2,850,944.13x = 3,934,400.78 × 1,561,784.17
  4. Step 4: Simplify right side
    2,850,944.13x = 6,144,684,856,639.65
  5. Step 5: Solve for x
    x = 6,144,684,856,639.65/2,850,944.13
  6. Step 6: Final answer
    x = 2,155,315.77

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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.