Home / 3,976,142.96-5,490,313.18-3,241,212.54

Finding the Fourth Proportional to 3,976,142.96, 5,490,313.18 and 3,241,212.54

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Solution

The fourth proportional to 3,976,142.96, 5,490,313.18 and 3,241,212.54 is: 4,475,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,142.96 : 5,490,313.18 = 3,241,212.54 : x
  2. Step 2: Convert to fraction form
    3,976,142.96/5,490,313.18 = 3,241,212.54/x
  3. Step 3: Cross multiply
    3,976,142.96x = 5,490,313.18 × 3,241,212.54
  4. Step 4: Simplify right side
    3,976,142.96x = 17,795,271,927,543.28
  5. Step 5: Solve for x
    x = 17,795,271,927,543.28/3,976,142.96
  6. Step 6: Final answer
    x = 4,475,511.09

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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.