Home / 2,129,893.20-3,187,358.88-1,833,948.36

Finding the Fourth Proportional to 2,129,893.20, 3,187,358.88 and 1,833,948.36

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Solution

The fourth proportional to 2,129,893.20, 3,187,358.88 and 1,833,948.36 is: 2,744,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,893.20 : 3,187,358.88 = 1,833,948.36 : x
  2. Step 2: Convert to fraction form
    2,129,893.20/3,187,358.88 = 1,833,948.36/x
  3. Step 3: Cross multiply
    2,129,893.20x = 3,187,358.88 × 1,833,948.36
  4. Step 4: Simplify right side
    2,129,893.20x = 5,845,451,590,707.44
  5. Step 5: Solve for x
    x = 5,845,451,590,707.44/2,129,893.20
  6. Step 6: Final answer
    x = 2,744,481.08

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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.