Home / 2,867,363.21-3,956,930.80-1,578,175.92

Finding the Fourth Proportional to 2,867,363.21, 3,956,930.80 and 1,578,175.92

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Solution

The fourth proportional to 2,867,363.21, 3,956,930.80 and 1,578,175.92 is: 2,177,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,363.21 : 3,956,930.80 = 1,578,175.92 : x
  2. Step 2: Convert to fraction form
    2,867,363.21/3,956,930.80 = 1,578,175.92/x
  3. Step 3: Cross multiply
    2,867,363.21x = 3,956,930.80 × 1,578,175.92
  4. Step 4: Simplify right side
    2,867,363.21x = 6,244,732,901,720.90
  5. Step 5: Solve for x
    x = 6,244,732,901,720.90/2,867,363.21
  6. Step 6: Final answer
    x = 2,177,866.02

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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.