Home / 5,389,993.20-8,084,989.80-2,555,641.20

Finding the Fourth Proportional to 5,389,993.20, 8,084,989.80 and 2,555,641.20

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Solution

The fourth proportional to 5,389,993.20, 8,084,989.80 and 2,555,641.20 is: 3,833,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,993.20 : 8,084,989.80 = 2,555,641.20 : x
  2. Step 2: Convert to fraction form
    5,389,993.20/8,084,989.80 = 2,555,641.20/x
  3. Step 3: Cross multiply
    5,389,993.20x = 8,084,989.80 × 2,555,641.20
  4. Step 4: Simplify right side
    5,389,993.20x = 20,662,333,034,459.76
  5. Step 5: Solve for x
    x = 20,662,333,034,459.76/5,389,993.20
  6. Step 6: Final answer
    x = 3,833,461.80

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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.