Home / 3,131,032.52-4,288,449.88-2,947,193.30

Finding the Fourth Proportional to 3,131,032.52, 4,288,449.88 and 2,947,193.30

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Solution

The fourth proportional to 3,131,032.52, 4,288,449.88 and 2,947,193.30 is: 4,036,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,032.52 : 4,288,449.88 = 2,947,193.30 : x
  2. Step 2: Convert to fraction form
    3,131,032.52/4,288,449.88 = 2,947,193.30/x
  3. Step 3: Cross multiply
    3,131,032.52x = 4,288,449.88 × 2,947,193.30
  4. Step 4: Simplify right side
    3,131,032.52x = 12,638,890,751,548.96
  5. Step 5: Solve for x
    x = 12,638,890,751,548.96/3,131,032.52
  6. Step 6: Final answer
    x = 4,036,652.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.