Home / 3,280,730.80-4,921,096.20-2,209,975.60

Finding the Fourth Proportional to 3,280,730.80, 4,921,096.20 and 2,209,975.60

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Solution

The fourth proportional to 3,280,730.80, 4,921,096.20 and 2,209,975.60 is: 3,314,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,730.80 : 4,921,096.20 = 2,209,975.60 : x
  2. Step 2: Convert to fraction form
    3,280,730.80/4,921,096.20 = 2,209,975.60/x
  3. Step 3: Cross multiply
    3,280,730.80x = 4,921,096.20 × 2,209,975.60
  4. Step 4: Simplify right side
    3,280,730.80x = 10,875,502,527,252.72
  5. Step 5: Solve for x
    x = 10,875,502,527,252.72/3,280,730.80
  6. Step 6: Final answer
    x = 3,314,963.40

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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.