Home / 2,378,634.19-3,282,516.87-1,290,905.51

Finding the Fourth Proportional to 2,378,634.19, 3,282,516.87 and 1,290,905.51

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Solution

The fourth proportional to 2,378,634.19, 3,282,516.87 and 1,290,905.51 is: 1,781,450.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,634.19 : 3,282,516.87 = 1,290,905.51 : x
  2. Step 2: Convert to fraction form
    2,378,634.19/3,282,516.87 = 1,290,905.51/x
  3. Step 3: Cross multiply
    2,378,634.19x = 3,282,516.87 × 1,290,905.51
  4. Step 4: Simplify right side
    2,378,634.19x = 4,237,419,092,897.47
  5. Step 5: Solve for x
    x = 4,237,419,092,897.47/2,378,634.19
  6. Step 6: Final answer
    x = 1,781,450.51

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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.