Home / 3,422,100.64-4,723,005.12-1,971,520.16

Finding the Fourth Proportional to 3,422,100.64, 4,723,005.12 and 1,971,520.16

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Solution

The fourth proportional to 3,422,100.64, 4,723,005.12 and 1,971,520.16 is: 2,720,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,100.64 : 4,723,005.12 = 1,971,520.16 : x
  2. Step 2: Convert to fraction form
    3,422,100.64/4,723,005.12 = 1,971,520.16/x
  3. Step 3: Cross multiply
    3,422,100.64x = 4,723,005.12 × 1,971,520.16
  4. Step 4: Simplify right side
    3,422,100.64x = 9,311,499,809,863.22
  5. Step 5: Solve for x
    x = 9,311,499,809,863.22/3,422,100.64
  6. Step 6: Final answer
    x = 2,720,989.47

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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.