Home / 3,219,858.77-4,829,953.59-823,724.19

Finding the Fourth Proportional to 3,219,858.77, 4,829,953.59 and 823,724.19

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Solution

The fourth proportional to 3,219,858.77, 4,829,953.59 and 823,724.19 is: 1,235,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,858.77 : 4,829,953.59 = 823,724.19 : x
  2. Step 2: Convert to fraction form
    3,219,858.77/4,829,953.59 = 823,724.19/x
  3. Step 3: Cross multiply
    3,219,858.77x = 4,829,953.59 × 823,724.19
  4. Step 4: Simplify right side
    3,219,858.77x = 3,978,549,608,660.34
  5. Step 5: Solve for x
    x = 3,978,549,608,660.34/3,219,858.77
  6. Step 6: Final answer
    x = 1,235,628.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.