Home / 3,947,742.12-5,921,214.66-2,676,511.92

Finding the Fourth Proportional to 3,947,742.12, 5,921,214.66 and 2,676,511.92

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Solution

The fourth proportional to 3,947,742.12, 5,921,214.66 and 2,676,511.92 is: 4,014,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,742.12 : 5,921,214.66 = 2,676,511.92 : x
  2. Step 2: Convert to fraction form
    3,947,742.12/5,921,214.66 = 2,676,511.92/x
  3. Step 3: Cross multiply
    3,947,742.12x = 5,921,214.66 × 2,676,511.92
  4. Step 4: Simplify right side
    3,947,742.12x = 15,848,201,618,368.75
  5. Step 5: Solve for x
    x = 15,848,201,618,368.75/3,947,742.12
  6. Step 6: Final answer
    x = 4,014,497.69

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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.