Home / 6,920,763.80-10,378,035.30-2,659,515.80

Finding the Fourth Proportional to 6,920,763.80, 10,378,035.30 and 2,659,515.80

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Solution

The fourth proportional to 6,920,763.80, 10,378,035.30 and 2,659,515.80 is: 3,988,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,763.80 : 10,378,035.30 = 2,659,515.80 : x
  2. Step 2: Convert to fraction form
    6,920,763.80/10,378,035.30 = 2,659,515.80/x
  3. Step 3: Cross multiply
    6,920,763.80x = 10,378,035.30 × 2,659,515.80
  4. Step 4: Simplify right side
    6,920,763.80x = 27,600,548,853,307.74
  5. Step 5: Solve for x
    x = 27,600,548,853,307.74/6,920,763.80
  6. Step 6: Final answer
    x = 3,988,078.43

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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.