Home / 2,878,559.88-3,972,308.34-1,589,372.58

Finding the Fourth Proportional to 2,878,559.88, 3,972,308.34 and 1,589,372.58

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Solution

The fourth proportional to 2,878,559.88, 3,972,308.34 and 1,589,372.58 is: 2,193,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,559.88 : 3,972,308.34 = 1,589,372.58 : x
  2. Step 2: Convert to fraction form
    2,878,559.88/3,972,308.34 = 1,589,372.58/x
  3. Step 3: Cross multiply
    2,878,559.88x = 3,972,308.34 × 1,589,372.58
  4. Step 4: Simplify right side
    2,878,559.88x = 6,313,477,975,757.62
  5. Step 5: Solve for x
    x = 6,313,477,975,757.62/2,878,559.88
  6. Step 6: Final answer
    x = 2,193,276.59

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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.