Home / 2,971,971.20-4,101,367.92-1,682,777.12

Finding the Fourth Proportional to 2,971,971.20, 4,101,367.92 and 1,682,777.12

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Solution

The fourth proportional to 2,971,971.20, 4,101,367.92 and 1,682,777.12 is: 2,322,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,971.20 : 4,101,367.92 = 1,682,777.12 : x
  2. Step 2: Convert to fraction form
    2,971,971.20/4,101,367.92 = 1,682,777.12/x
  3. Step 3: Cross multiply
    2,971,971.20x = 4,101,367.92 × 1,682,777.12
  4. Step 4: Simplify right side
    2,971,971.20x = 6,901,688,096,477.99
  5. Step 5: Solve for x
    x = 6,901,688,096,477.99/2,971,971.20
  6. Step 6: Final answer
    x = 2,322,259.41

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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.