Home / 3,080,040.80-4,620,061.20-836,456.80

Finding the Fourth Proportional to 3,080,040.80, 4,620,061.20 and 836,456.80

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Solution

The fourth proportional to 3,080,040.80, 4,620,061.20 and 836,456.80 is: 1,254,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080,040.80 : 4,620,061.20 = 836,456.80 : x
  2. Step 2: Convert to fraction form
    3,080,040.80/4,620,061.20 = 836,456.80/x
  3. Step 3: Cross multiply
    3,080,040.80x = 4,620,061.20 × 836,456.80
  4. Step 4: Simplify right side
    3,080,040.80x = 3,864,481,607,156.16
  5. Step 5: Solve for x
    x = 3,864,481,607,156.16/3,080,040.80
  6. Step 6: Final answer
    x = 1,254,685.20

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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.