Home / 5,216,998.80-7,825,498.20-2,183,840.40

Finding the Fourth Proportional to 5,216,998.80, 7,825,498.20 and 2,183,840.40

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Solution

The fourth proportional to 5,216,998.80, 7,825,498.20 and 2,183,840.40 is: 3,275,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,998.80 : 7,825,498.20 = 2,183,840.40 : x
  2. Step 2: Convert to fraction form
    5,216,998.80/7,825,498.20 = 2,183,840.40/x
  3. Step 3: Cross multiply
    5,216,998.80x = 7,825,498.20 × 2,183,840.40
  4. Step 4: Simplify right side
    5,216,998.80x = 17,089,639,119,287.28
  5. Step 5: Solve for x
    x = 17,089,639,119,287.28/5,216,998.80
  6. Step 6: Final answer
    x = 3,275,760.60

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Double scale
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Similar ratio
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1.5x scale

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.