Home / 2,660,998.80-3,991,498.20-2,455,712.40

Finding the Fourth Proportional to 2,660,998.80, 3,991,498.20 and 2,455,712.40

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Solution

The fourth proportional to 2,660,998.80, 3,991,498.20 and 2,455,712.40 is: 3,683,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,998.80 : 3,991,498.20 = 2,455,712.40 : x
  2. Step 2: Convert to fraction form
    2,660,998.80/3,991,498.20 = 2,455,712.40/x
  3. Step 3: Cross multiply
    2,660,998.80x = 3,991,498.20 × 2,455,712.40
  4. Step 4: Simplify right side
    2,660,998.80x = 9,801,971,624,317.68
  5. Step 5: Solve for x
    x = 9,801,971,624,317.68/2,660,998.80
  6. Step 6: Final answer
    x = 3,683,568.60

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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.