Home / 5,213,182.78-7,194,122.77-2,921,388.22

Finding the Fourth Proportional to 5,213,182.78, 7,194,122.77 and 2,921,388.22

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Solution

The fourth proportional to 5,213,182.78, 7,194,122.77 and 2,921,388.22 is: 4,031,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,182.78 : 7,194,122.77 = 2,921,388.22 : x
  2. Step 2: Convert to fraction form
    5,213,182.78/7,194,122.77 = 2,921,388.22/x
  3. Step 3: Cross multiply
    5,213,182.78x = 7,194,122.77 × 2,921,388.22
  4. Step 4: Simplify right side
    5,213,182.78x = 21,016,825,513,511.77
  5. Step 5: Solve for x
    x = 21,016,825,513,511.77/5,213,182.78
  6. Step 6: Final answer
    x = 4,031,476.82

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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.