Home / 3,954,980-5,457,872.40-2,144,144

Finding the Fourth Proportional to 3,954,980, 5,457,872.40 and 2,144,144

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Solution

The fourth proportional to 3,954,980, 5,457,872.40 and 2,144,144 is: 2,958,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,980 : 5,457,872.40 = 2,144,144 : x
  2. Step 2: Convert to fraction form
    3,954,980/5,457,872.40 = 2,144,144/x
  3. Step 3: Cross multiply
    3,954,980x = 5,457,872.40 × 2,144,144
  4. Step 4: Simplify right side
    3,954,980x = 11,702,464,359,225.60
  5. Step 5: Solve for x
    x = 11,702,464,359,225.60/3,954,980
  6. Step 6: Final answer
    x = 2,958,918.72

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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.