Home / 2,626,878.86-3,939,992.14-707,940.18

Finding the Fourth Proportional to 2,626,878.86, 3,939,992.14 and 707,940.18

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Solution

The fourth proportional to 2,626,878.86, 3,939,992.14 and 707,940.18 is: 1,061,822.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,878.86 : 3,939,992.14 = 707,940.18 : x
  2. Step 2: Convert to fraction form
    2,626,878.86/3,939,992.14 = 707,940.18/x
  3. Step 3: Cross multiply
    2,626,878.86x = 3,939,992.14 × 707,940.18
  4. Step 4: Simplify right side
    2,626,878.86x = 2,789,278,744,790.19
  5. Step 5: Solve for x
    x = 2,789,278,744,790.19/2,626,878.86
  6. Step 6: Final answer
    x = 1,061,822.37

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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.