Home / 5,387,561.40-7,434,992.24-2,940,329.60

Finding the Fourth Proportional to 5,387,561.40, 7,434,992.24 and 2,940,329.60

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Solution

The fourth proportional to 5,387,561.40, 7,434,992.24 and 2,940,329.60 is: 4,057,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,561.40 : 7,434,992.24 = 2,940,329.60 : x
  2. Step 2: Convert to fraction form
    5,387,561.40/7,434,992.24 = 2,940,329.60/x
  3. Step 3: Cross multiply
    5,387,561.40x = 7,434,992.24 × 2,940,329.60
  4. Step 4: Simplify right side
    5,387,561.40x = 21,861,327,707,165.70
  5. Step 5: Solve for x
    x = 21,861,327,707,165.70/5,387,561.40
  6. Step 6: Final answer
    x = 4,057,740.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.