Home / 3,854,513.72-5,319,049.74-2,112,172.76

Finding the Fourth Proportional to 3,854,513.72, 5,319,049.74 and 2,112,172.76

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Solution

The fourth proportional to 3,854,513.72, 5,319,049.74 and 2,112,172.76 is: 2,914,700.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854,513.72 : 5,319,049.74 = 2,112,172.76 : x
  2. Step 2: Convert to fraction form
    3,854,513.72/5,319,049.74 = 2,112,172.76/x
  3. Step 3: Cross multiply
    3,854,513.72x = 5,319,049.74 × 2,112,172.76
  4. Step 4: Simplify right side
    3,854,513.72x = 11,234,751,969,913.08
  5. Step 5: Solve for x
    x = 11,234,751,969,913.08/3,854,513.72
  6. Step 6: Final answer
    x = 2,914,700.22

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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.