Home / 3,954,979-5,457,871.02-2,144,143

Finding the Fourth Proportional to 3,954,979, 5,457,871.02 and 2,144,143

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Solution

The fourth proportional to 3,954,979, 5,457,871.02 and 2,144,143 is: 2,958,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954,979 : 5,457,871.02 = 2,144,143 : x
  2. Step 2: Convert to fraction form
    3,954,979/5,457,871.02 = 2,144,143/x
  3. Step 3: Cross multiply
    3,954,979x = 5,457,871.02 × 2,144,143
  4. Step 4: Simplify right side
    3,954,979x = 11,702,455,942,435.86
  5. Step 5: Solve for x
    x = 11,702,455,942,435.86/3,954,979
  6. Step 6: Final answer
    x = 2,958,917.34

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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.