Home / 3,531,975.20-5,290,089.60-2,728,908.80

Finding the Fourth Proportional to 3,531,975.20, 5,290,089.60 and 2,728,908.80

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Solution

The fourth proportional to 3,531,975.20, 5,290,089.60 and 2,728,908.80 is: 4,087,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,975.20 : 5,290,089.60 = 2,728,908.80 : x
  2. Step 2: Convert to fraction form
    3,531,975.20/5,290,089.60 = 2,728,908.80/x
  3. Step 3: Cross multiply
    3,531,975.20x = 5,290,089.60 × 2,728,908.80
  4. Step 4: Simplify right side
    3,531,975.20x = 14,436,172,062,228.48
  5. Step 5: Solve for x
    x = 14,436,172,062,228.48/3,531,975.20
  6. Step 6: Final answer
    x = 4,087,280.13

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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.