Home / 3,876,415.64-5,349,399.66-2,157,536.60

Finding the Fourth Proportional to 3,876,415.64, 5,349,399.66 and 2,157,536.60

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Solution

The fourth proportional to 3,876,415.64, 5,349,399.66 and 2,157,536.60 is: 2,977,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,415.64 : 5,349,399.66 = 2,157,536.60 : x
  2. Step 2: Convert to fraction form
    3,876,415.64/5,349,399.66 = 2,157,536.60/x
  3. Step 3: Cross multiply
    3,876,415.64x = 5,349,399.66 × 2,157,536.60
  4. Step 4: Simplify right side
    3,876,415.64x = 11,541,525,554,477.56
  5. Step 5: Solve for x
    x = 11,541,525,554,477.56/3,876,415.64
  6. Step 6: Final answer
    x = 2,977,370.50

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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.