Home / 1,631,137.23-2,251,145.72-986,912.64

Finding the Fourth Proportional to 1,631,137.23, 2,251,145.72 and 986,912.64

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Solution

The fourth proportional to 1,631,137.23, 2,251,145.72 and 986,912.64 is: 1,362,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,137.23 : 2,251,145.72 = 986,912.64 : x
  2. Step 2: Convert to fraction form
    1,631,137.23/2,251,145.72 = 986,912.64/x
  3. Step 3: Cross multiply
    1,631,137.23x = 2,251,145.72 × 986,912.64
  4. Step 4: Simplify right side
    1,631,137.23x = 2,221,684,168,017.18
  5. Step 5: Solve for x
    x = 2,221,684,168,017.18/1,631,137.23
  6. Step 6: Final answer
    x = 1,362,046.14

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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.