Home / 2,179,389.80-3,269,084.70-683,479.40

Finding the Fourth Proportional to 2,179,389.80, 3,269,084.70 and 683,479.40

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Solution

The fourth proportional to 2,179,389.80, 3,269,084.70 and 683,479.40 is: 1,025,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,389.80 : 3,269,084.70 = 683,479.40 : x
  2. Step 2: Convert to fraction form
    2,179,389.80/3,269,084.70 = 683,479.40/x
  3. Step 3: Cross multiply
    2,179,389.80x = 3,269,084.70 × 683,479.40
  4. Step 4: Simplify right side
    2,179,389.80x = 2,234,352,049,305.18
  5. Step 5: Solve for x
    x = 2,234,352,049,305.18/2,179,389.80
  6. Step 6: Final answer
    x = 1,025,219.10

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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.