Home / 5,220,481.23-7,204,313.25-2,928,691.13

Finding the Fourth Proportional to 5,220,481.23, 7,204,313.25 and 2,928,691.13

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Solution

The fourth proportional to 5,220,481.23, 7,204,313.25 and 2,928,691.13 is: 4,041,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220,481.23 : 7,204,313.25 = 2,928,691.13 : x
  2. Step 2: Convert to fraction form
    5,220,481.23/7,204,313.25 = 2,928,691.13/x
  3. Step 3: Cross multiply
    5,220,481.23x = 7,204,313.25 × 2,928,691.13
  4. Step 4: Simplify right side
    5,220,481.23x = 21,099,208,276,994.91
  5. Step 5: Solve for x
    x = 21,099,208,276,994.91/5,220,481.23
  6. Step 6: Final answer
    x = 4,041,621.33

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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.