Home / 5,406,584.30-8,108,842.87-1,620,067.18

Finding the Fourth Proportional to 5,406,584.30, 8,108,842.87 and 1,620,067.18

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Solution

The fourth proportional to 5,406,584.30, 8,108,842.87 and 1,620,067.18 is: 2,429,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406,584.30 : 8,108,842.87 = 1,620,067.18 : x
  2. Step 2: Convert to fraction form
    5,406,584.30/8,108,842.87 = 1,620,067.18/x
  3. Step 3: Cross multiply
    5,406,584.30x = 8,108,842.87 × 1,620,067.18
  4. Step 4: Simplify right side
    5,406,584.30x = 13,136,870,198,421.06
  5. Step 5: Solve for x
    x = 13,136,870,198,421.06/5,406,584.30
  6. Step 6: Final answer
    x = 2,429,791.06

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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.