Home / 2,121,837.14-3,180,836.61-773,684.43

Finding the Fourth Proportional to 2,121,837.14, 3,180,836.61 and 773,684.43

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Solution

The fourth proportional to 2,121,837.14, 3,180,836.61 and 773,684.43 is: 1,159,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,837.14 : 3,180,836.61 = 773,684.43 : x
  2. Step 2: Convert to fraction form
    2,121,837.14/3,180,836.61 = 773,684.43/x
  3. Step 3: Cross multiply
    2,121,837.14x = 3,180,836.61 × 773,684.43
  4. Step 4: Simplify right side
    2,121,837.14x = 2,460,963,759,530.98
  5. Step 5: Solve for x
    x = 2,460,963,759,530.98/2,121,837.14
  6. Step 6: Final answer
    x = 1,159,826.89

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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.