Home / 2,117,308.80-3,175,942.08-855,119.04

Finding the Fourth Proportional to 2,117,308.80, 3,175,942.08 and 855,119.04

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Solution

The fourth proportional to 2,117,308.80, 3,175,942.08 and 855,119.04 is: 1,282,670.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,308.80 : 3,175,942.08 = 855,119.04 : x
  2. Step 2: Convert to fraction form
    2,117,308.80/3,175,942.08 = 855,119.04/x
  3. Step 3: Cross multiply
    2,117,308.80x = 3,175,942.08 × 855,119.04
  4. Step 4: Simplify right side
    2,117,308.80x = 2,715,808,542,545.20
  5. Step 5: Solve for x
    x = 2,715,808,542,545.20/2,117,308.80
  6. Step 6: Final answer
    x = 1,282,670.03

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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.