Home / 5,643,040.64-7,787,876.38-3,196,087

Finding the Fourth Proportional to 5,643,040.64, 7,787,876.38 and 3,196,087

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Solution

The fourth proportional to 5,643,040.64, 7,787,876.38 and 3,196,087 is: 4,410,872.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,040.64 : 7,787,876.38 = 3,196,087 : x
  2. Step 2: Convert to fraction form
    5,643,040.64/7,787,876.38 = 3,196,087/x
  3. Step 3: Cross multiply
    5,643,040.64x = 7,787,876.38 × 3,196,087
  4. Step 4: Simplify right side
    5,643,040.64x = 24,890,730,455,725.06
  5. Step 5: Solve for x
    x = 24,890,730,455,725.06/5,643,040.64
  6. Step 6: Final answer
    x = 4,410,872.09

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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.