Home / 6,659,778.26-9,190,517.10-3,603,991.70

Finding the Fourth Proportional to 6,659,778.26, 9,190,517.10 and 3,603,991.70

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Solution

The fourth proportional to 6,659,778.26, 9,190,517.10 and 3,603,991.70 is: 4,973,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,778.26 : 9,190,517.10 = 3,603,991.70 : x
  2. Step 2: Convert to fraction form
    6,659,778.26/9,190,517.10 = 3,603,991.70/x
  3. Step 3: Cross multiply
    6,659,778.26x = 9,190,517.10 × 3,603,991.70
  4. Step 4: Simplify right side
    6,659,778.26x = 33,122,547,347,108.07
  5. Step 5: Solve for x
    x = 33,122,547,347,108.07/6,659,778.26
  6. Step 6: Final answer
    x = 4,973,521.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.