Home / 5,221,648.80-7,205,896.08-2,929,659.84

Finding the Fourth Proportional to 5,221,648.80, 7,205,896.08 and 2,929,659.84

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Solution

The fourth proportional to 5,221,648.80, 7,205,896.08 and 2,929,659.84 is: 4,042,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,648.80 : 7,205,896.08 = 2,929,659.84 : x
  2. Step 2: Convert to fraction form
    5,221,648.80/7,205,896.08 = 2,929,659.84/x
  3. Step 3: Cross multiply
    5,221,648.80x = 7,205,896.08 × 2,929,659.84
  4. Step 4: Simplify right side
    5,221,648.80x = 21,110,824,356,789.43
  5. Step 5: Solve for x
    x = 21,110,824,356,789.43/5,221,648.80
  6. Step 6: Final answer
    x = 4,042,942.21

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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.