Home / 2,723,458.40-4,078,189.20-2,009,621.60

Finding the Fourth Proportional to 2,723,458.40, 4,078,189.20 and 2,009,621.60

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Solution

The fourth proportional to 2,723,458.40, 4,078,189.20 and 2,009,621.60 is: 3,009,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723,458.40 : 4,078,189.20 = 2,009,621.60 : x
  2. Step 2: Convert to fraction form
    2,723,458.40/4,078,189.20 = 2,009,621.60/x
  3. Step 3: Cross multiply
    2,723,458.40x = 4,078,189.20 × 2,009,621.60
  4. Step 4: Simplify right side
    2,723,458.40x = 8,195,617,105,206.72
  5. Step 5: Solve for x
    x = 8,195,617,105,206.72/2,723,458.40
  6. Step 6: Final answer
    x = 3,009,268.33

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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.