Home / 1,644,679.92-2,268,401.63-1,415,620.83

Finding the Fourth Proportional to 1,644,679.92, 2,268,401.63 and 1,415,620.83

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Solution

The fourth proportional to 1,644,679.92, 2,268,401.63 and 1,415,620.83 is: 1,952,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,679.92 : 2,268,401.63 = 1,415,620.83 : x
  2. Step 2: Convert to fraction form
    1,644,679.92/2,268,401.63 = 1,415,620.83/x
  3. Step 3: Cross multiply
    1,644,679.92x = 2,268,401.63 × 1,415,620.83
  4. Step 4: Simplify right side
    1,644,679.92x = 3,211,196,598,233.95
  5. Step 5: Solve for x
    x = 3,211,196,598,233.95/1,644,679.92
  6. Step 6: Final answer
    x = 1,952,475.10

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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.