Home / 2,663,998.80-3,995,998.20-1,955,410.80

Finding the Fourth Proportional to 2,663,998.80, 3,995,998.20 and 1,955,410.80

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Solution

The fourth proportional to 2,663,998.80, 3,995,998.20 and 1,955,410.80 is: 2,933,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,998.80 : 3,995,998.20 = 1,955,410.80 : x
  2. Step 2: Convert to fraction form
    2,663,998.80/3,995,998.20 = 1,955,410.80/x
  3. Step 3: Cross multiply
    2,663,998.80x = 3,995,998.20 × 1,955,410.80
  4. Step 4: Simplify right side
    2,663,998.80x = 7,813,818,037,060.56
  5. Step 5: Solve for x
    x = 7,813,818,037,060.56/2,663,998.80
  6. Step 6: Final answer
    x = 2,933,116.20

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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.