Home / 3,993,419.52-5,510,918.81-2,157,877.77

Finding the Fourth Proportional to 3,993,419.52, 5,510,918.81 and 2,157,877.77

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Solution

The fourth proportional to 3,993,419.52, 5,510,918.81 and 2,157,877.77 is: 2,977,871.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,419.52 : 5,510,918.81 = 2,157,877.77 : x
  2. Step 2: Convert to fraction form
    3,993,419.52/5,510,918.81 = 2,157,877.77/x
  3. Step 3: Cross multiply
    3,993,419.52x = 5,510,918.81 × 2,157,877.77
  4. Step 4: Simplify right side
    3,993,419.52x = 11,891,889,197,768.55
  5. Step 5: Solve for x
    x = 11,891,889,197,768.55/3,993,419.52
  6. Step 6: Final answer
    x = 2,977,871.26

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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.