Home / 3,195,380.64-4,409,655.12-1,818,656.76

Finding the Fourth Proportional to 3,195,380.64, 4,409,655.12 and 1,818,656.76

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Solution

The fourth proportional to 3,195,380.64, 4,409,655.12 and 1,818,656.76 is: 2,509,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,380.64 : 4,409,655.12 = 1,818,656.76 : x
  2. Step 2: Convert to fraction form
    3,195,380.64/4,409,655.12 = 1,818,656.76/x
  3. Step 3: Cross multiply
    3,195,380.64x = 4,409,655.12 × 1,818,656.76
  4. Step 4: Simplify right side
    3,195,380.64x = 8,019,649,093,256.61
  5. Step 5: Solve for x
    x = 8,019,649,093,256.61/3,195,380.64
  6. Step 6: Final answer
    x = 2,509,763.31

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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.