Home / 3,318,662.28-4,579,403.40-1,868,331.36

Finding the Fourth Proportional to 3,318,662.28, 4,579,403.40 and 1,868,331.36

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Solution

The fourth proportional to 3,318,662.28, 4,579,403.40 and 1,868,331.36 is: 2,578,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318,662.28 : 4,579,403.40 = 1,868,331.36 : x
  2. Step 2: Convert to fraction form
    3,318,662.28/4,579,403.40 = 1,868,331.36/x
  3. Step 3: Cross multiply
    3,318,662.28x = 4,579,403.40 × 1,868,331.36
  4. Step 4: Simplify right side
    3,318,662.28x = 8,555,842,982,310.63
  5. Step 5: Solve for x
    x = 8,555,842,982,310.63/3,318,662.28
  6. Step 6: Final answer
    x = 2,578,099.93

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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.