Home / 2,850,471.64-3,933,651.78-1,561,333.48

Finding the Fourth Proportional to 2,850,471.64, 3,933,651.78 and 1,561,333.48

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Solution

The fourth proportional to 2,850,471.64, 3,933,651.78 and 1,561,333.48 is: 2,154,640.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,471.64 : 3,933,651.78 = 1,561,333.48 : x
  2. Step 2: Convert to fraction form
    2,850,471.64/3,933,651.78 = 1,561,333.48/x
  3. Step 3: Cross multiply
    2,850,471.64x = 3,933,651.78 × 1,561,333.48
  4. Step 4: Simplify right side
    2,850,471.64x = 6,141,742,222,775.59
  5. Step 5: Solve for x
    x = 6,141,742,222,775.59/2,850,471.64
  6. Step 6: Final answer
    x = 2,154,640.70

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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.