Home / 3,219,995.72-4,829,968.96-823,836.51

Finding the Fourth Proportional to 3,219,995.72, 4,829,968.96 and 823,836.51

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Solution

The fourth proportional to 3,219,995.72, 4,829,968.96 and 823,836.51 is: 1,235,748.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,995.72 : 4,829,968.96 = 823,836.51 : x
  2. Step 2: Convert to fraction form
    3,219,995.72/4,829,968.96 = 823,836.51/x
  3. Step 3: Cross multiply
    3,219,995.72x = 4,829,968.96 × 823,836.51
  4. Step 4: Simplify right side
    3,219,995.72x = 3,979,104,763,721.56
  5. Step 5: Solve for x
    x = 3,979,104,763,721.56/3,219,995.72
  6. Step 6: Final answer
    x = 1,235,748.46

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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.