Home / 2,182,759.26-3,011,808.02-1,215,865.50

Finding the Fourth Proportional to 2,182,759.26, 3,011,808.02 and 1,215,865.50

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Solution

The fourth proportional to 2,182,759.26, 3,011,808.02 and 1,215,865.50 is: 1,677,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,759.26 : 3,011,808.02 = 1,215,865.50 : x
  2. Step 2: Convert to fraction form
    2,182,759.26/3,011,808.02 = 1,215,865.50/x
  3. Step 3: Cross multiply
    2,182,759.26x = 3,011,808.02 × 1,215,865.50
  4. Step 4: Simplify right side
    2,182,759.26x = 3,661,953,464,141.31
  5. Step 5: Solve for x
    x = 3,661,953,464,141.31/2,182,759.26
  6. Step 6: Final answer
    x = 1,677,671.71

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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.