Home / 3,878,219.31-5,819,986.17-1,353,874.56

Finding the Fourth Proportional to 3,878,219.31, 5,819,986.17 and 1,353,874.56

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Solution

The fourth proportional to 3,878,219.31, 5,819,986.17 and 1,353,874.56 is: 2,031,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,219.31 : 5,819,986.17 = 1,353,874.56 : x
  2. Step 2: Convert to fraction form
    3,878,219.31/5,819,986.17 = 1,353,874.56/x
  3. Step 3: Cross multiply
    3,878,219.31x = 5,819,986.17 × 1,353,874.56
  4. Step 4: Simplify right side
    3,878,219.31x = 7,879,531,215,114.84
  5. Step 5: Solve for x
    x = 7,879,531,215,114.84/3,878,219.31
  6. Step 6: Final answer
    x = 2,031,739.46

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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.