Home / 1,993,048.80-2,989,573.20-1,284,460.80

Finding the Fourth Proportional to 1,993,048.80, 2,989,573.20 and 1,284,460.80

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Solution

The fourth proportional to 1,993,048.80, 2,989,573.20 and 1,284,460.80 is: 1,926,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,048.80 : 2,989,573.20 = 1,284,460.80 : x
  2. Step 2: Convert to fraction form
    1,993,048.80/2,989,573.20 = 1,284,460.80/x
  3. Step 3: Cross multiply
    1,993,048.80x = 2,989,573.20 × 1,284,460.80
  4. Step 4: Simplify right side
    1,993,048.80x = 3,839,989,584,130.56
  5. Step 5: Solve for x
    x = 3,839,989,584,130.56/1,993,048.80
  6. Step 6: Final answer
    x = 1,926,691.20

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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.