Home / 3,906,048.70-5,390,390.33-2,163,744.78

Finding the Fourth Proportional to 3,906,048.70, 5,390,390.33 and 2,163,744.78

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Solution

The fourth proportional to 3,906,048.70, 5,390,390.33 and 2,163,744.78 is: 2,985,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,048.70 : 5,390,390.33 = 2,163,744.78 : x
  2. Step 2: Convert to fraction form
    3,906,048.70/5,390,390.33 = 2,163,744.78/x
  3. Step 3: Cross multiply
    3,906,048.70x = 5,390,390.33 × 2,163,744.78
  4. Step 4: Simplify right side
    3,906,048.70x = 11,663,428,938,699.98
  5. Step 5: Solve for x
    x = 11,663,428,938,699.98/3,906,048.70
  6. Step 6: Final answer
    x = 2,985,991.68

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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.