Home / 2,821,447.63-3,895,211.72-1,857,380.44

Finding the Fourth Proportional to 2,821,447.63, 3,895,211.72 and 1,857,380.44

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Solution

The fourth proportional to 2,821,447.63, 3,895,211.72 and 1,857,380.44 is: 2,564,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,447.63 : 3,895,211.72 = 1,857,380.44 : x
  2. Step 2: Convert to fraction form
    2,821,447.63/3,895,211.72 = 1,857,380.44/x
  3. Step 3: Cross multiply
    2,821,447.63x = 3,895,211.72 × 1,857,380.44
  4. Step 4: Simplify right side
    2,821,447.63x = 7,234,890,058,386.76
  5. Step 5: Solve for x
    x = 7,234,890,058,386.76/2,821,447.63
  6. Step 6: Final answer
    x = 2,564,247.51

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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.