Home / 6,388,218.80-9,582,328.20-1,900,494.80

Finding the Fourth Proportional to 6,388,218.80, 9,582,328.20 and 1,900,494.80

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Solution

The fourth proportional to 6,388,218.80, 9,582,328.20 and 1,900,494.80 is: 2,850,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,218.80 : 9,582,328.20 = 1,900,494.80 : x
  2. Step 2: Convert to fraction form
    6,388,218.80/9,582,328.20 = 1,900,494.80/x
  3. Step 3: Cross multiply
    6,388,218.80x = 9,582,328.20 × 1,900,494.80
  4. Step 4: Simplify right side
    6,388,218.80x = 18,211,164,915,993.36
  5. Step 5: Solve for x
    x = 18,211,164,915,993.36/6,388,218.80
  6. Step 6: Final answer
    x = 2,850,742.20

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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.