Home / 2,699,816.80-4,049,768.40-705,272.80

Finding the Fourth Proportional to 2,699,816.80, 4,049,768.40 and 705,272.80

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Solution

The fourth proportional to 2,699,816.80, 4,049,768.40 and 705,272.80 is: 1,057,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,816.80 : 4,049,768.40 = 705,272.80 : x
  2. Step 2: Convert to fraction form
    2,699,816.80/4,049,768.40 = 705,272.80/x
  3. Step 3: Cross multiply
    2,699,816.80x = 4,049,768.40 × 705,272.80
  4. Step 4: Simplify right side
    2,699,816.80x = 2,856,191,498,819.52
  5. Step 5: Solve for x
    x = 2,856,191,498,819.52/2,699,816.80
  6. Step 6: Final answer
    x = 1,057,920.49

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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.