Home / 2,566,142.43-3,540,882.07-1,478,201.51

Finding the Fourth Proportional to 2,566,142.43, 3,540,882.07 and 1,478,201.51

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Solution

The fourth proportional to 2,566,142.43, 3,540,882.07 and 1,478,201.51 is: 2,039,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566,142.43 : 3,540,882.07 = 1,478,201.51 : x
  2. Step 2: Convert to fraction form
    2,566,142.43/3,540,882.07 = 1,478,201.51/x
  3. Step 3: Cross multiply
    2,566,142.43x = 3,540,882.07 × 1,478,201.51
  4. Step 4: Simplify right side
    2,566,142.43x = 5,234,137,215,214.92
  5. Step 5: Solve for x
    x = 5,234,137,215,214.92/2,566,142.43
  6. Step 6: Final answer
    x = 2,039,690.84

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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.