Home / 4,890,276.80-7,328,416.80-3,600,821.60

Finding the Fourth Proportional to 4,890,276.80, 7,328,416.80 and 3,600,821.60

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Solution

The fourth proportional to 4,890,276.80, 7,328,416.80 and 3,600,821.60 is: 5,396,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,276.80 : 7,328,416.80 = 3,600,821.60 : x
  2. Step 2: Convert to fraction form
    4,890,276.80/7,328,416.80 = 3,600,821.60/x
  3. Step 3: Cross multiply
    4,890,276.80x = 7,328,416.80 × 3,600,821.60
  4. Step 4: Simplify right side
    4,890,276.80x = 26,388,321,507,242.88
  5. Step 5: Solve for x
    x = 26,388,321,507,242.88/4,890,276.80
  6. Step 6: Final answer
    x = 5,396,079.32

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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.