Home / 2,740,218.40-4,110,933.48-821,051.92

Finding the Fourth Proportional to 2,740,218.40, 4,110,933.48 and 821,051.92

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Solution

The fourth proportional to 2,740,218.40, 4,110,933.48 and 821,051.92 is: 1,231,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740,218.40 : 4,110,933.48 = 821,051.92 : x
  2. Step 2: Convert to fraction form
    2,740,218.40/4,110,933.48 = 821,051.92/x
  3. Step 3: Cross multiply
    2,740,218.40x = 4,110,933.48 × 821,051.92
  4. Step 4: Simplify right side
    2,740,218.40x = 3,375,289,826,746.28
  5. Step 5: Solve for x
    x = 3,375,289,826,746.28/2,740,218.40
  6. Step 6: Final answer
    x = 1,231,759.42

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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.