Home / 3,228,291.14-4,454,712.10-1,987,704.45

Finding the Fourth Proportional to 3,228,291.14, 4,454,712.10 and 1,987,704.45

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Solution

The fourth proportional to 3,228,291.14, 4,454,712.10 and 1,987,704.45 is: 2,742,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,291.14 : 4,454,712.10 = 1,987,704.45 : x
  2. Step 2: Convert to fraction form
    3,228,291.14/4,454,712.10 = 1,987,704.45/x
  3. Step 3: Cross multiply
    3,228,291.14x = 4,454,712.10 × 1,987,704.45
  4. Step 4: Simplify right side
    3,228,291.14x = 8,854,651,059,669.58
  5. Step 5: Solve for x
    x = 8,854,651,059,669.58/3,228,291.14
  6. Step 6: Final answer
    x = 2,742,829.16

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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.