Home / 2,136,980.48-3,205,989.12-641,072.48

Finding the Fourth Proportional to 2,136,980.48, 3,205,989.12 and 641,072.48

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Solution

The fourth proportional to 2,136,980.48, 3,205,989.12 and 641,072.48 is: 961,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,980.48 : 3,205,989.12 = 641,072.48 : x
  2. Step 2: Convert to fraction form
    2,136,980.48/3,205,989.12 = 641,072.48/x
  3. Step 3: Cross multiply
    2,136,980.48x = 3,205,989.12 × 641,072.48
  4. Step 4: Simplify right side
    2,136,980.48x = 2,055,271,396,011.42
  5. Step 5: Solve for x
    x = 2,055,271,396,011.42/2,136,980.48
  6. Step 6: Final answer
    x = 961,764.23

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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.