Home / 2,850,823.54-3,934,137.22-1,561,709.76

Finding the Fourth Proportional to 2,850,823.54, 3,934,137.22 and 1,561,709.76

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Solution

The fourth proportional to 2,850,823.54, 3,934,137.22 and 1,561,709.76 is: 2,155,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,823.54 : 3,934,137.22 = 1,561,709.76 : x
  2. Step 2: Convert to fraction form
    2,850,823.54/3,934,137.22 = 1,561,709.76/x
  3. Step 3: Cross multiply
    2,850,823.54x = 3,934,137.22 × 1,561,709.76
  4. Step 4: Simplify right side
    2,850,823.54x = 6,143,980,493,653.27
  5. Step 5: Solve for x
    x = 6,143,980,493,653.27/2,850,823.54
  6. Step 6: Final answer
    x = 2,155,159.87

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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.