Home / 2,821,460.94-3,895,230.08-1,857,393.78

Finding the Fourth Proportional to 2,821,460.94, 3,895,230.08 and 1,857,393.78

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Solution

The fourth proportional to 2,821,460.94, 3,895,230.08 and 1,857,393.78 is: 2,564,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,460.94 : 3,895,230.08 = 1,857,393.78 : x
  2. Step 2: Convert to fraction form
    2,821,460.94/3,895,230.08 = 1,857,393.78/x
  3. Step 3: Cross multiply
    2,821,460.94x = 3,895,230.08 × 1,857,393.78
  4. Step 4: Simplify right side
    2,821,460.94x = 7,234,976,112,973.93
  5. Step 5: Solve for x
    x = 7,234,976,112,973.93/2,821,460.94
  6. Step 6: Final answer
    x = 2,564,265.91

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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.