Home / 3,113,414.40-4,670,121.60-1,993,670.40

Finding the Fourth Proportional to 3,113,414.40, 4,670,121.60 and 1,993,670.40

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Solution

The fourth proportional to 3,113,414.40, 4,670,121.60 and 1,993,670.40 is: 2,990,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,414.40 : 4,670,121.60 = 1,993,670.40 : x
  2. Step 2: Convert to fraction form
    3,113,414.40/4,670,121.60 = 1,993,670.40/x
  3. Step 3: Cross multiply
    3,113,414.40x = 4,670,121.60 × 1,993,670.40
  4. Step 4: Simplify right side
    3,113,414.40x = 9,310,683,198,320.64
  5. Step 5: Solve for x
    x = 9,310,683,198,320.64/3,113,414.40
  6. Step 6: Final answer
    x = 2,990,505.60

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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.