Home / 3,215,631.69-4,817,141.55-1,864,956.96

Finding the Fourth Proportional to 3,215,631.69, 4,817,141.55 and 1,864,956.96

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Solution

The fourth proportional to 3,215,631.69, 4,817,141.55 and 1,864,956.96 is: 2,793,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,631.69 : 4,817,141.55 = 1,864,956.96 : x
  2. Step 2: Convert to fraction form
    3,215,631.69/4,817,141.55 = 1,864,956.96/x
  3. Step 3: Cross multiply
    3,215,631.69x = 4,817,141.55 × 1,864,956.96
  4. Step 4: Simplify right side
    3,215,631.69x = 8,983,761,660,977.69
  5. Step 5: Solve for x
    x = 8,983,761,660,977.69/3,215,631.69
  6. Step 6: Final answer
    x = 2,793,778.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.