Home / 3,411,920.23-5,117,781.83-1,389,664.10

Finding the Fourth Proportional to 3,411,920.23, 5,117,781.83 and 1,389,664.10

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Solution

The fourth proportional to 3,411,920.23, 5,117,781.83 and 1,389,664.10 is: 2,084,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,920.23 : 5,117,781.83 = 1,389,664.10 : x
  2. Step 2: Convert to fraction form
    3,411,920.23/5,117,781.83 = 1,389,664.10/x
  3. Step 3: Cross multiply
    3,411,920.23x = 5,117,781.83 × 1,389,664.10
  4. Step 4: Simplify right side
    3,411,920.23x = 7,111,997,686,629.44
  5. Step 5: Solve for x
    x = 7,111,997,686,629.44/3,411,920.23
  6. Step 6: Final answer
    x = 2,084,456.03

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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.