Home / 1,949,942.79-2,690,911.80-1,090,506.47

Finding the Fourth Proportional to 1,949,942.79, 2,690,911.80 and 1,090,506.47

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Solution

The fourth proportional to 1,949,942.79, 2,690,911.80 and 1,090,506.47 is: 1,504,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,942.79 : 2,690,911.80 = 1,090,506.47 : x
  2. Step 2: Convert to fraction form
    1,949,942.79/2,690,911.80 = 1,090,506.47/x
  3. Step 3: Cross multiply
    1,949,942.79x = 2,690,911.80 × 1,090,506.47
  4. Step 4: Simplify right side
    1,949,942.79x = 2,934,456,714,644.79
  5. Step 5: Solve for x
    x = 2,934,456,714,644.79/1,949,942.79
  6. Step 6: Final answer
    x = 1,504,893.75

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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.