Home / 2,378,701.39-3,282,632.45-1,290,982.36

Finding the Fourth Proportional to 2,378,701.39, 3,282,632.45 and 1,290,982.36

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Solution

The fourth proportional to 2,378,701.39, 3,282,632.45 and 1,290,982.36 is: 1,781,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,701.39 : 3,282,632.45 = 1,290,982.36 : x
  2. Step 2: Convert to fraction form
    2,378,701.39/3,282,632.45 = 1,290,982.36/x
  3. Step 3: Cross multiply
    2,378,701.39x = 3,282,632.45 × 1,290,982.36
  4. Step 4: Simplify right side
    2,378,701.39x = 4,237,820,587,313.58
  5. Step 5: Solve for x
    x = 4,237,820,587,313.58/2,378,701.39
  6. Step 6: Final answer
    x = 1,781,568.97

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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.