Home / 5,380,740.72-7,425,479.64-2,966,379.12

Finding the Fourth Proportional to 5,380,740.72, 7,425,479.64 and 2,966,379.12

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Solution

The fourth proportional to 5,380,740.72, 7,425,479.64 and 2,966,379.12 is: 4,093,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380,740.72 : 7,425,479.64 = 2,966,379.12 : x
  2. Step 2: Convert to fraction form
    5,380,740.72/7,425,479.64 = 2,966,379.12/x
  3. Step 3: Cross multiply
    5,380,740.72x = 7,425,479.64 × 2,966,379.12
  4. Step 4: Simplify right side
    5,380,740.72x = 22,026,787,760,081.12
  5. Step 5: Solve for x
    x = 22,026,787,760,081.12/5,380,740.72
  6. Step 6: Final answer
    x = 4,093,634.86

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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.