Home / 3,219,859.77-4,829,955.09-823,725.19

Finding the Fourth Proportional to 3,219,859.77, 4,829,955.09 and 823,725.19

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Solution

The fourth proportional to 3,219,859.77, 4,829,955.09 and 823,725.19 is: 1,235,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,859.77 : 4,829,955.09 = 823,725.19 : x
  2. Step 2: Convert to fraction form
    3,219,859.77/4,829,955.09 = 823,725.19/x
  3. Step 3: Cross multiply
    3,219,859.77x = 4,829,955.09 × 823,725.19
  4. Step 4: Simplify right side
    3,219,859.77x = 3,978,555,674,201.72
  5. Step 5: Solve for x
    x = 3,978,555,674,201.72/3,219,859.77
  6. Step 6: Final answer
    x = 1,235,630.11

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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.