Home / 3,925,372.80-5,417,588.16-2,206,634.88

Finding the Fourth Proportional to 3,925,372.80, 5,417,588.16 and 2,206,634.88

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Solution

The fourth proportional to 3,925,372.80, 5,417,588.16 and 2,206,634.88 is: 3,045,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925,372.80 : 5,417,588.16 = 2,206,634.88 : x
  2. Step 2: Convert to fraction form
    3,925,372.80/5,417,588.16 = 2,206,634.88/x
  3. Step 3: Cross multiply
    3,925,372.80x = 5,417,588.16 × 2,206,634.88
  4. Step 4: Simplify right side
    3,925,372.80x = 11,954,638,999,331.02
  5. Step 5: Solve for x
    x = 11,954,638,999,331.02/3,925,372.80
  6. Step 6: Final answer
    x = 3,045,478.64

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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.