Home / 2,185,297.20-3,276,779.40-921,697.20

Finding the Fourth Proportional to 2,185,297.20, 3,276,779.40 and 921,697.20

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Solution

The fourth proportional to 2,185,297.20, 3,276,779.40 and 921,697.20 is: 1,382,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,297.20 : 3,276,779.40 = 921,697.20 : x
  2. Step 2: Convert to fraction form
    2,185,297.20/3,276,779.40 = 921,697.20/x
  3. Step 3: Cross multiply
    2,185,297.20x = 3,276,779.40 × 921,697.20
  4. Step 4: Simplify right side
    2,185,297.20x = 3,020,198,397,997.68
  5. Step 5: Solve for x
    x = 3,020,198,397,997.68/2,185,297.20
  6. Step 6: Final answer
    x = 1,382,053.85

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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.