Home / 3,469,963.12-4,788,698.78-1,921,224.83

Finding the Fourth Proportional to 3,469,963.12, 4,788,698.78 and 1,921,224.83

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Solution

The fourth proportional to 3,469,963.12, 4,788,698.78 and 1,921,224.83 is: 2,651,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,963.12 : 4,788,698.78 = 1,921,224.83 : x
  2. Step 2: Convert to fraction form
    3,469,963.12/4,788,698.78 = 1,921,224.83/x
  3. Step 3: Cross multiply
    3,469,963.12x = 4,788,698.78 × 1,921,224.83
  4. Step 4: Simplify right side
    3,469,963.12x = 9,200,167,018,411.32
  5. Step 5: Solve for x
    x = 9,200,167,018,411.32/3,469,963.12
  6. Step 6: Final answer
    x = 2,651,373.14

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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.