Home / 2,071,172.30-2,858,208.73-1,153,412.33

Finding the Fourth Proportional to 2,071,172.30, 2,858,208.73 and 1,153,412.33

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Solution

The fourth proportional to 2,071,172.30, 2,858,208.73 and 1,153,412.33 is: 1,591,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,172.30 : 2,858,208.73 = 1,153,412.33 : x
  2. Step 2: Convert to fraction form
    2,071,172.30/2,858,208.73 = 1,153,412.33/x
  3. Step 3: Cross multiply
    2,071,172.30x = 2,858,208.73 × 1,153,412.33
  4. Step 4: Simplify right side
    2,071,172.30x = 3,296,693,173,721.07
  5. Step 5: Solve for x
    x = 3,296,693,173,721.07/2,071,172.30
  6. Step 6: Final answer
    x = 1,591,703.97

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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.