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Finding the Fourth Proportional to 3,959,133.96, 5,938,649.10 and 967,343.88

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Solution

The fourth proportional to 3,959,133.96, 5,938,649.10 and 967,343.88 is: 1,451,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,133.96 : 5,938,649.10 = 967,343.88 : x
  2. Step 2: Convert to fraction form
    3,959,133.96/5,938,649.10 = 967,343.88/x
  3. Step 3: Cross multiply
    3,959,133.96x = 5,938,649.10 × 967,343.88
  4. Step 4: Simplify right side
    3,959,133.96x = 5,744,715,862,352.51
  5. Step 5: Solve for x
    x = 5,744,715,862,352.51/3,959,133.96
  6. Step 6: Final answer
    x = 1,451,003.15

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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.