Home / 3,911,364.21-5,868,732.12-2,115,511.89

Finding the Fourth Proportional to 3,911,364.21, 5,868,732.12 and 2,115,511.89

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Solution

The fourth proportional to 3,911,364.21, 5,868,732.12 and 2,115,511.89 is: 3,174,179.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,364.21 : 5,868,732.12 = 2,115,511.89 : x
  2. Step 2: Convert to fraction form
    3,911,364.21/5,868,732.12 = 2,115,511.89/x
  3. Step 3: Cross multiply
    3,911,364.21x = 5,868,732.12 × 2,115,511.89
  4. Step 4: Simplify right side
    3,911,364.21x = 12,415,372,579,084.91
  5. Step 5: Solve for x
    x = 12,415,372,579,084.91/3,911,364.21
  6. Step 6: Final answer
    x = 3,174,179.62

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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.