Home / 3,100,396.61-4,650,682.40-856,534.61

Finding the Fourth Proportional to 3,100,396.61, 4,650,682.40 and 856,534.61

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Solution

The fourth proportional to 3,100,396.61, 4,650,682.40 and 856,534.61 is: 1,284,826.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,396.61 : 4,650,682.40 = 856,534.61 : x
  2. Step 2: Convert to fraction form
    3,100,396.61/4,650,682.40 = 856,534.61/x
  3. Step 3: Cross multiply
    3,100,396.61x = 4,650,682.40 × 856,534.61
  4. Step 4: Simplify right side
    3,100,396.61x = 3,983,470,408,181.78
  5. Step 5: Solve for x
    x = 3,983,470,408,181.78/3,100,396.61
  6. Step 6: Final answer
    x = 1,284,826.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.