Home / 2,590,987.88-3,886,979.97-993,426.37

Finding the Fourth Proportional to 2,590,987.88, 3,886,979.97 and 993,426.37

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Solution

The fourth proportional to 2,590,987.88, 3,886,979.97 and 993,426.37 is: 1,490,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,987.88 : 3,886,979.97 = 993,426.37 : x
  2. Step 2: Convert to fraction form
    2,590,987.88/3,886,979.97 = 993,426.37/x
  3. Step 3: Cross multiply
    2,590,987.88x = 3,886,979.97 × 993,426.37
  4. Step 4: Simplify right side
    2,590,987.88x = 3,861,428,401,859.81
  5. Step 5: Solve for x
    x = 3,861,428,401,859.81/2,590,987.88
  6. Step 6: Final answer
    x = 1,490,330.55

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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.