Home / 1,571,863.64-2,169,171.84-856,471.64

Finding the Fourth Proportional to 1,571,863.64, 2,169,171.84 and 856,471.64

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Solution

The fourth proportional to 1,571,863.64, 2,169,171.84 and 856,471.64 is: 1,181,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,863.64 : 2,169,171.84 = 856,471.64 : x
  2. Step 2: Convert to fraction form
    1,571,863.64/2,169,171.84 = 856,471.64/x
  3. Step 3: Cross multiply
    1,571,863.64x = 2,169,171.84 × 856,471.64
  4. Step 4: Simplify right side
    1,571,863.64x = 1,857,834,163,246.62
  5. Step 5: Solve for x
    x = 1,857,834,163,246.62/1,571,863.64
  6. Step 6: Final answer
    x = 1,181,930.87

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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.