Home / 2,815,620.23-4,223,430.27-1,298,854.44

Finding the Fourth Proportional to 2,815,620.23, 4,223,430.27 and 1,298,854.44

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Solution

The fourth proportional to 2,815,620.23, 4,223,430.27 and 1,298,854.44 is: 1,948,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,620.23 : 4,223,430.27 = 1,298,854.44 : x
  2. Step 2: Convert to fraction form
    2,815,620.23/4,223,430.27 = 1,298,854.44/x
  3. Step 3: Cross multiply
    2,815,620.23x = 4,223,430.27 × 1,298,854.44
  4. Step 4: Simplify right side
    2,815,620.23x = 5,485,621,158,219.90
  5. Step 5: Solve for x
    x = 5,485,621,158,219.90/2,815,620.23
  6. Step 6: Final answer
    x = 1,948,281.62

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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.