Home / 2,378,643.39-3,282,529.56-1,290,914.73

Finding the Fourth Proportional to 2,378,643.39, 3,282,529.56 and 1,290,914.73

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Solution

The fourth proportional to 2,378,643.39, 3,282,529.56 and 1,290,914.73 is: 1,781,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,643.39 : 3,282,529.56 = 1,290,914.73 : x
  2. Step 2: Convert to fraction form
    2,378,643.39/3,282,529.56 = 1,290,914.73/x
  3. Step 3: Cross multiply
    2,378,643.39x = 3,282,529.56 × 1,290,914.73
  4. Step 4: Simplify right side
    2,378,643.39x = 4,237,465,760,664.42
  5. Step 5: Solve for x
    x = 4,237,465,760,664.42/2,378,643.39
  6. Step 6: Final answer
    x = 1,781,463.24

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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.