Home / 3,453,880.38-4,766,431.20-1,905,189.12

Finding the Fourth Proportional to 3,453,880.38, 4,766,431.20 and 1,905,189.12

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Solution

The fourth proportional to 3,453,880.38, 4,766,431.20 and 1,905,189.12 is: 2,629,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453,880.38 : 4,766,431.20 = 1,905,189.12 : x
  2. Step 2: Convert to fraction form
    3,453,880.38/4,766,431.20 = 1,905,189.12/x
  3. Step 3: Cross multiply
    3,453,880.38x = 4,766,431.20 × 1,905,189.12
  4. Step 4: Simplify right side
    3,453,880.38x = 9,080,952,863,468.55
  5. Step 5: Solve for x
    x = 9,080,952,863,468.55/3,453,880.38
  6. Step 6: Final answer
    x = 2,629,203.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.