Home / 2,815,513.20-4,223,269.80-2,653,311.60

Finding the Fourth Proportional to 2,815,513.20, 4,223,269.80 and 2,653,311.60

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Solution

The fourth proportional to 2,815,513.20, 4,223,269.80 and 2,653,311.60 is: 3,979,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,513.20 : 4,223,269.80 = 2,653,311.60 : x
  2. Step 2: Convert to fraction form
    2,815,513.20/4,223,269.80 = 2,653,311.60/x
  3. Step 3: Cross multiply
    2,815,513.20x = 4,223,269.80 × 2,653,311.60
  4. Step 4: Simplify right side
    2,815,513.20x = 11,205,650,750,269.68
  5. Step 5: Solve for x
    x = 11,205,650,750,269.68/2,815,513.20
  6. Step 6: Final answer
    x = 3,979,967.40

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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.