Home / 2,136,067.20-3,201,508.80-1,235,779.20

Finding the Fourth Proportional to 2,136,067.20, 3,201,508.80 and 1,235,779.20

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Solution

The fourth proportional to 2,136,067.20, 3,201,508.80 and 1,235,779.20 is: 1,852,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,067.20 : 3,201,508.80 = 1,235,779.20 : x
  2. Step 2: Convert to fraction form
    2,136,067.20/3,201,508.80 = 1,235,779.20/x
  3. Step 3: Cross multiply
    2,136,067.20x = 3,201,508.80 × 1,235,779.20
  4. Step 4: Simplify right side
    2,136,067.20x = 3,956,357,983,656.96
  5. Step 5: Solve for x
    x = 3,956,357,983,656.96/2,136,067.20
  6. Step 6: Final answer
    x = 1,852,169.25

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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.