Home / 2,099,520.84-3,149,781.02-679,576.80

Finding the Fourth Proportional to 2,099,520.84, 3,149,781.02 and 679,576.80

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Solution

The fourth proportional to 2,099,520.84, 3,149,781.02 and 679,576.80 is: 1,019,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,520.84 : 3,149,781.02 = 679,576.80 : x
  2. Step 2: Convert to fraction form
    2,099,520.84/3,149,781.02 = 679,576.80/x
  3. Step 3: Cross multiply
    2,099,520.84x = 3,149,781.02 × 679,576.80
  4. Step 4: Simplify right side
    2,099,520.84x = 2,140,518,106,272.34
  5. Step 5: Solve for x
    x = 2,140,518,106,272.34/2,099,520.84
  6. Step 6: Final answer
    x = 1,019,526.96

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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.