Home / 2,729,148.45-3,766,158.34-1,505,427.18

Finding the Fourth Proportional to 2,729,148.45, 3,766,158.34 and 1,505,427.18

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Solution

The fourth proportional to 2,729,148.45, 3,766,158.34 and 1,505,427.18 is: 2,077,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,148.45 : 3,766,158.34 = 1,505,427.18 : x
  2. Step 2: Convert to fraction form
    2,729,148.45/3,766,158.34 = 1,505,427.18/x
  3. Step 3: Cross multiply
    2,729,148.45x = 3,766,158.34 × 1,505,427.18
  4. Step 4: Simplify right side
    2,729,148.45x = 5,669,677,129,219.68
  5. Step 5: Solve for x
    x = 5,669,677,129,219.68/2,729,148.45
  6. Step 6: Final answer
    x = 2,077,452.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.