Home / 3,515,012.34-4,850,878.77-1,987,183.86

Finding the Fourth Proportional to 3,515,012.34, 4,850,878.77 and 1,987,183.86

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Solution

The fourth proportional to 3,515,012.34, 4,850,878.77 and 1,987,183.86 is: 2,742,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515,012.34 : 4,850,878.77 = 1,987,183.86 : x
  2. Step 2: Convert to fraction form
    3,515,012.34/4,850,878.77 = 1,987,183.86/x
  3. Step 3: Cross multiply
    3,515,012.34x = 4,850,878.77 × 1,987,183.86
  4. Step 4: Simplify right side
    3,515,012.34x = 9,639,587,998,560.65
  5. Step 5: Solve for x
    x = 9,639,587,998,560.65/3,515,012.34
  6. Step 6: Final answer
    x = 2,742,405.17

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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.