Home / 1,992,813.10-2,989,219.65-663,117.10

Finding the Fourth Proportional to 1,992,813.10, 2,989,219.65 and 663,117.10

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Solution

The fourth proportional to 1,992,813.10, 2,989,219.65 and 663,117.10 is: 994,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,813.10 : 2,989,219.65 = 663,117.10 : x
  2. Step 2: Convert to fraction form
    1,992,813.10/2,989,219.65 = 663,117.10/x
  3. Step 3: Cross multiply
    1,992,813.10x = 2,989,219.65 × 663,117.10
  4. Step 4: Simplify right side
    1,992,813.10x = 1,982,202,665,571.02
  5. Step 5: Solve for x
    x = 1,982,202,665,571.02/1,992,813.10
  6. Step 6: Final answer
    x = 994,675.65

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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.