Home / 3,118,392-4,303,380.96-1,687,608

Finding the Fourth Proportional to 3,118,392, 4,303,380.96 and 1,687,608

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Solution

The fourth proportional to 3,118,392, 4,303,380.96 and 1,687,608 is: 2,328,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,392 : 4,303,380.96 = 1,687,608 : x
  2. Step 2: Convert to fraction form
    3,118,392/4,303,380.96 = 1,687,608/x
  3. Step 3: Cross multiply
    3,118,392x = 4,303,380.96 × 1,687,608
  4. Step 4: Simplify right side
    3,118,392x = 7,262,420,135,143.68
  5. Step 5: Solve for x
    x = 7,262,420,135,143.68/3,118,392
  6. Step 6: Final answer
    x = 2,328,899.04

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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.