Home / 2,428,359.40-3,643,559.70-1,305,116.20

Finding the Fourth Proportional to 2,428,359.40, 3,643,559.70 and 1,305,116.20

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Solution

The fourth proportional to 2,428,359.40, 3,643,559.70 and 1,305,116.20 is: 1,958,222.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,359.40 : 3,643,559.70 = 1,305,116.20 : x
  2. Step 2: Convert to fraction form
    2,428,359.40/3,643,559.70 = 1,305,116.20/x
  3. Step 3: Cross multiply
    2,428,359.40x = 3,643,559.70 × 1,305,116.20
  4. Step 4: Simplify right side
    2,428,359.40x = 4,755,268,790,137.14
  5. Step 5: Solve for x
    x = 4,755,268,790,137.14/2,428,359.40
  6. Step 6: Final answer
    x = 1,958,222.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.