Home / 2,045,988.09-2,822,969.81-1,320,680.48

Finding the Fourth Proportional to 2,045,988.09, 2,822,969.81 and 1,320,680.48

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Solution

The fourth proportional to 2,045,988.09, 2,822,969.81 and 1,320,680.48 is: 1,822,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045,988.09 : 2,822,969.81 = 1,320,680.48 : x
  2. Step 2: Convert to fraction form
    2,045,988.09/2,822,969.81 = 1,320,680.48/x
  3. Step 3: Cross multiply
    2,045,988.09x = 2,822,969.81 × 1,320,680.48
  4. Step 4: Simplify right side
    2,045,988.09x = 3,728,241,112,883.16
  5. Step 5: Solve for x
    x = 3,728,241,112,883.16/2,045,988.09
  6. Step 6: Final answer
    x = 1,822,220.34

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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.