Home / 6,605,196.40-9,907,794.60-1,813,625.20

Finding the Fourth Proportional to 6,605,196.40, 9,907,794.60 and 1,813,625.20

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Solution

The fourth proportional to 6,605,196.40, 9,907,794.60 and 1,813,625.20 is: 2,720,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605,196.40 : 9,907,794.60 = 1,813,625.20 : x
  2. Step 2: Convert to fraction form
    6,605,196.40/9,907,794.60 = 1,813,625.20/x
  3. Step 3: Cross multiply
    6,605,196.40x = 9,907,794.60 × 1,813,625.20
  4. Step 4: Simplify right side
    6,605,196.40x = 17,969,025,962,983.92
  5. Step 5: Solve for x
    x = 17,969,025,962,983.92/6,605,196.40
  6. Step 6: Final answer
    x = 2,720,437.80

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Similar ratio
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1.5x scale

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.