Home / 3,906,279.52-5,390,607.16-2,163,943.39

Finding the Fourth Proportional to 3,906,279.52, 5,390,607.16 and 2,163,943.39

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Solution

The fourth proportional to 3,906,279.52, 5,390,607.16 and 2,163,943.39 is: 2,986,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,279.52 : 5,390,607.16 = 2,163,943.39 : x
  2. Step 2: Convert to fraction form
    3,906,279.52/5,390,607.16 = 2,163,943.39/x
  3. Step 3: Cross multiply
    3,906,279.52x = 5,390,607.16 × 2,163,943.39
  4. Step 4: Simplify right side
    3,906,279.52x = 11,664,968,731,968.67
  5. Step 5: Solve for x
    x = 11,664,968,731,968.67/3,906,279.52
  6. Step 6: Final answer
    x = 2,986,209.43

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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.