Home / 3,881,500.90-5,356,508.40-2,139,233.50

Finding the Fourth Proportional to 3,881,500.90, 5,356,508.40 and 2,139,233.50

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Solution

The fourth proportional to 3,881,500.90, 5,356,508.40 and 2,139,233.50 is: 2,952,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,500.90 : 5,356,508.40 = 2,139,233.50 : x
  2. Step 2: Convert to fraction form
    3,881,500.90/5,356,508.40 = 2,139,233.50/x
  3. Step 3: Cross multiply
    3,881,500.90x = 5,356,508.40 × 2,139,233.50
  4. Step 4: Simplify right side
    3,881,500.90x = 11,458,822,212,311.40
  5. Step 5: Solve for x
    x = 11,458,822,212,311.40/3,881,500.90
  6. Step 6: Final answer
    x = 2,952,162.71

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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.