Home / 1,660,820.10-2,491,230.15-1,646,823.30

Finding the Fourth Proportional to 1,660,820.10, 2,491,230.15 and 1,646,823.30

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Solution

The fourth proportional to 1,660,820.10, 2,491,230.15 and 1,646,823.30 is: 2,470,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,820.10 : 2,491,230.15 = 1,646,823.30 : x
  2. Step 2: Convert to fraction form
    1,660,820.10/2,491,230.15 = 1,646,823.30/x
  3. Step 3: Cross multiply
    1,660,820.10x = 2,491,230.15 × 1,646,823.30
  4. Step 4: Simplify right side
    1,660,820.10x = 4,102,615,856,682.50
  5. Step 5: Solve for x
    x = 4,102,615,856,682.50/1,660,820.10
  6. Step 6: Final answer
    x = 2,470,234.95

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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.