Home / 3,245,137.28-4,860,252.72-1,620,920.72

Finding the Fourth Proportional to 3,245,137.28, 4,860,252.72 and 1,620,920.72

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Solution

The fourth proportional to 3,245,137.28, 4,860,252.72 and 1,620,920.72 is: 2,427,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245,137.28 : 4,860,252.72 = 1,620,920.72 : x
  2. Step 2: Convert to fraction form
    3,245,137.28/4,860,252.72 = 1,620,920.72/x
  3. Step 3: Cross multiply
    3,245,137.28x = 4,860,252.72 × 1,620,920.72
  4. Step 4: Simplify right side
    3,245,137.28x = 7,878,084,338,284.36
  5. Step 5: Solve for x
    x = 7,878,084,338,284.36/3,245,137.28
  6. Step 6: Final answer
    x = 2,427,658.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.