Home / 6,659,663.95-9,190,335.90-3,603,878.20

Finding the Fourth Proportional to 6,659,663.95, 9,190,335.90 and 3,603,878.20

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Solution

The fourth proportional to 6,659,663.95, 9,190,335.90 and 3,603,878.20 is: 4,973,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659,663.95 : 9,190,335.90 = 3,603,878.20 : x
  2. Step 2: Convert to fraction form
    6,659,663.95/9,190,335.90 = 3,603,878.20/x
  3. Step 3: Cross multiply
    6,659,663.95x = 9,190,335.90 × 3,603,878.20
  4. Step 4: Simplify right side
    6,659,663.95x = 33,120,851,200,687.38
  5. Step 5: Solve for x
    x = 33,120,851,200,687.38/6,659,663.95
  6. Step 6: Final answer
    x = 4,973,351.73

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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.