Home / 3,345,231.60-4,616,815.40-1,987,110

Finding the Fourth Proportional to 3,345,231.60, 4,616,815.40 and 1,987,110

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Solution

The fourth proportional to 3,345,231.60, 4,616,815.40 and 1,987,110 is: 2,742,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345,231.60 : 4,616,815.40 = 1,987,110 : x
  2. Step 2: Convert to fraction form
    3,345,231.60/4,616,815.40 = 1,987,110/x
  3. Step 3: Cross multiply
    3,345,231.60x = 4,616,815.40 × 1,987,110
  4. Step 4: Simplify right side
    3,345,231.60x = 9,174,120,049,494
  5. Step 5: Solve for x
    x = 9,174,120,049,494/3,345,231.60
  6. Step 6: Final answer
    x = 2,742,446.91

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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.