Home / 5,221,546.65-7,205,858.60-2,929,876.83

Finding the Fourth Proportional to 5,221,546.65, 7,205,858.60 and 2,929,876.83

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Solution

The fourth proportional to 5,221,546.65, 7,205,858.60 and 2,929,876.83 is: 4,043,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,546.65 : 7,205,858.60 = 2,929,876.83 : x
  2. Step 2: Convert to fraction form
    5,221,546.65/7,205,858.60 = 2,929,876.83/x
  3. Step 3: Cross multiply
    5,221,546.65x = 7,205,858.60 × 2,929,876.83
  4. Step 4: Simplify right side
    5,221,546.65x = 21,112,278,137,746.86
  5. Step 5: Solve for x
    x = 21,112,278,137,746.86/5,221,546.65
  6. Step 6: Final answer
    x = 4,043,299.73

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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.