Home / 2,688,375.60-4,032,563.40-2,221,815.60

Finding the Fourth Proportional to 2,688,375.60, 4,032,563.40 and 2,221,815.60

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Solution

The fourth proportional to 2,688,375.60, 4,032,563.40 and 2,221,815.60 is: 3,332,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,375.60 : 4,032,563.40 = 2,221,815.60 : x
  2. Step 2: Convert to fraction form
    2,688,375.60/4,032,563.40 = 2,221,815.60/x
  3. Step 3: Cross multiply
    2,688,375.60x = 4,032,563.40 × 2,221,815.60
  4. Step 4: Simplify right side
    2,688,375.60x = 8,959,612,270,109.04
  5. Step 5: Solve for x
    x = 8,959,612,270,109.04/2,688,375.60
  6. Step 6: Final answer
    x = 3,332,723.40

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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.