Home / 2,378,703.82-3,282,635.80-1,290,984.78

Finding the Fourth Proportional to 2,378,703.82, 3,282,635.80 and 1,290,984.78

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Solution

The fourth proportional to 2,378,703.82, 3,282,635.80 and 1,290,984.78 is: 1,781,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,703.82 : 3,282,635.80 = 1,290,984.78 : x
  2. Step 2: Convert to fraction form
    2,378,703.82/3,282,635.80 = 1,290,984.78/x
  3. Step 3: Cross multiply
    2,378,703.82x = 3,282,635.80 × 1,290,984.78
  4. Step 4: Simplify right side
    2,378,703.82x = 4,237,832,856,083.12
  5. Step 5: Solve for x
    x = 4,237,832,856,083.12/2,378,703.82
  6. Step 6: Final answer
    x = 1,781,572.31

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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.