Home / 5,389,660.80-8,084,491.20-4,999,937.40

Finding the Fourth Proportional to 5,389,660.80, 8,084,491.20 and 4,999,937.40

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Solution

The fourth proportional to 5,389,660.80, 8,084,491.20 and 4,999,937.40 is: 7,499,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,660.80 : 8,084,491.20 = 4,999,937.40 : x
  2. Step 2: Convert to fraction form
    5,389,660.80/8,084,491.20 = 4,999,937.40/x
  3. Step 3: Cross multiply
    5,389,660.80x = 8,084,491.20 × 4,999,937.40
  4. Step 4: Simplify right side
    5,389,660.80x = 40,421,949,910,850.88
  5. Step 5: Solve for x
    x = 40,421,949,910,850.88/5,389,660.80
  6. Step 6: Final answer
    x = 7,499,906.10

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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.