Home / 1,999,734.31-2,759,613.71-1,081,943.31

Finding the Fourth Proportional to 1,999,734.31, 2,759,613.71 and 1,081,943.31

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Solution

The fourth proportional to 1,999,734.31, 2,759,613.71 and 1,081,943.31 is: 1,493,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,734.31 : 2,759,613.71 = 1,081,943.31 : x
  2. Step 2: Convert to fraction form
    1,999,734.31/2,759,613.71 = 1,081,943.31/x
  3. Step 3: Cross multiply
    1,999,734.31x = 2,759,613.71 × 1,081,943.31
  4. Step 4: Simplify right side
    1,999,734.31x = 2,985,745,591,718.78
  5. Step 5: Solve for x
    x = 2,985,745,591,718.78/1,999,734.31
  6. Step 6: Final answer
    x = 1,493,071.14

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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.