Home / 3,121,710.84-4,677,667.38-1,858,849.56

Finding the Fourth Proportional to 3,121,710.84, 4,677,667.38 and 1,858,849.56

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Solution

The fourth proportional to 3,121,710.84, 4,677,667.38 and 1,858,849.56 is: 2,785,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,710.84 : 4,677,667.38 = 1,858,849.56 : x
  2. Step 2: Convert to fraction form
    3,121,710.84/4,677,667.38 = 1,858,849.56/x
  3. Step 3: Cross multiply
    3,121,710.84x = 4,677,667.38 × 1,858,849.56
  4. Step 4: Simplify right side
    3,121,710.84x = 8,695,079,951,139.35
  5. Step 5: Solve for x
    x = 8,695,079,951,139.35/3,121,710.84
  6. Step 6: Final answer
    x = 2,785,357.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.