Home / 6,659,786.28-9,190,528.16-3,603,999.72

Finding the Fourth Proportional to 6,659,786.28, 9,190,528.16 and 3,603,999.72

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Solution

The fourth proportional to 6,659,786.28, 9,190,528.16 and 3,603,999.72 is: 4,973,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,786.28 : 9,190,528.16 = 3,603,999.72 : x
  2. Step 2: Convert to fraction form
    6,659,786.28/9,190,528.16 = 3,603,999.72/x
  3. Step 3: Cross multiply
    6,659,786.28x = 9,190,528.16 × 3,603,999.72
  4. Step 4: Simplify right side
    6,659,786.28x = 33,122,660,915,292.12
  5. Step 5: Solve for x
    x = 33,122,660,915,292.12/6,659,786.28
  6. Step 6: Final answer
    x = 4,973,532.11

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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.