Home / 6,709,799.20-10,064,698.80-1,661,109.70

Finding the Fourth Proportional to 6,709,799.20, 10,064,698.80 and 1,661,109.70

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Solution

The fourth proportional to 6,709,799.20, 10,064,698.80 and 1,661,109.70 is: 2,491,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,799.20 : 10,064,698.80 = 1,661,109.70 : x
  2. Step 2: Convert to fraction form
    6,709,799.20/10,064,698.80 = 1,661,109.70/x
  3. Step 3: Cross multiply
    6,709,799.20x = 10,064,698.80 × 1,661,109.70
  4. Step 4: Simplify right side
    6,709,799.20x = 16,718,568,804,258.36
  5. Step 5: Solve for x
    x = 16,718,568,804,258.36/6,709,799.20
  6. Step 6: Final answer
    x = 2,491,664.55

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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.