Home / 3,898,822.88-5,378,728.06-2,610,078.48

Finding the Fourth Proportional to 3,898,822.88, 5,378,728.06 and 2,610,078.48

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Solution

The fourth proportional to 3,898,822.88, 5,378,728.06 and 2,610,078.48 is: 3,600,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,822.88 : 5,378,728.06 = 2,610,078.48 : x
  2. Step 2: Convert to fraction form
    3,898,822.88/5,378,728.06 = 2,610,078.48/x
  3. Step 3: Cross multiply
    3,898,822.88x = 5,378,728.06 × 2,610,078.48
  4. Step 4: Simplify right side
    3,898,822.88x = 14,038,902,359,178.15
  5. Step 5: Solve for x
    x = 14,038,902,359,178.15/3,898,822.88
  6. Step 6: Final answer
    x = 3,600,805.37

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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.