Home / 3,505,358.80-5,258,038.20-1,993,704.40

Finding the Fourth Proportional to 3,505,358.80, 5,258,038.20 and 1,993,704.40

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Solution

The fourth proportional to 3,505,358.80, 5,258,038.20 and 1,993,704.40 is: 2,990,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,358.80 : 5,258,038.20 = 1,993,704.40 : x
  2. Step 2: Convert to fraction form
    3,505,358.80/5,258,038.20 = 1,993,704.40/x
  3. Step 3: Cross multiply
    3,505,358.80x = 5,258,038.20 × 1,993,704.40
  4. Step 4: Simplify right side
    3,505,358.80x = 10,482,973,894,708.08
  5. Step 5: Solve for x
    x = 10,482,973,894,708.08/3,505,358.80
  6. Step 6: Final answer
    x = 2,990,556.60

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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.