Home / 3,469,977.90-4,788,719.16-1,921,239.58

Finding the Fourth Proportional to 3,469,977.90, 4,788,719.16 and 1,921,239.58

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Solution

The fourth proportional to 3,469,977.90, 4,788,719.16 and 1,921,239.58 is: 2,651,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469,977.90 : 4,788,719.16 = 1,921,239.58 : x
  2. Step 2: Convert to fraction form
    3,469,977.90/4,788,719.16 = 1,921,239.58/x
  3. Step 3: Cross multiply
    3,469,977.90x = 4,788,719.16 × 1,921,239.58
  4. Step 4: Simplify right side
    3,469,977.90x = 9,200,276,787,696.35
  5. Step 5: Solve for x
    x = 9,200,276,787,696.35/3,469,977.90
  6. Step 6: Final answer
    x = 2,651,393.48

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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.