Home / 2,139,097.20-3,209,509.80-941,247.60

Finding the Fourth Proportional to 2,139,097.20, 3,209,509.80 and 941,247.60

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Solution

The fourth proportional to 2,139,097.20, 3,209,509.80 and 941,247.60 is: 1,412,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,097.20 : 3,209,509.80 = 941,247.60 : x
  2. Step 2: Convert to fraction form
    2,139,097.20/3,209,509.80 = 941,247.60/x
  3. Step 3: Cross multiply
    2,139,097.20x = 3,209,509.80 × 941,247.60
  4. Step 4: Simplify right side
    2,139,097.20x = 3,020,943,396,426.48
  5. Step 5: Solve for x
    x = 3,020,943,396,426.48/2,139,097.20
  6. Step 6: Final answer
    x = 1,412,251.58

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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.