Home / 3,876,741.76-5,349,903.78-2,157,825.46

Finding the Fourth Proportional to 3,876,741.76, 5,349,903.78 and 2,157,825.46

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Solution

The fourth proportional to 3,876,741.76, 5,349,903.78 and 2,157,825.46 is: 2,977,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,741.76 : 5,349,903.78 = 2,157,825.46 : x
  2. Step 2: Convert to fraction form
    3,876,741.76/5,349,903.78 = 2,157,825.46/x
  3. Step 3: Cross multiply
    3,876,741.76x = 5,349,903.78 × 2,157,825.46
  4. Step 4: Simplify right side
    3,876,741.76x = 11,544,158,585,034.24
  5. Step 5: Solve for x
    x = 11,544,158,585,034.24/3,876,741.76
  6. Step 6: Final answer
    x = 2,977,799.22

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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.