Home / 2,141,161-2,954,802.20-1,187,305

Finding the Fourth Proportional to 2,141,161, 2,954,802.20 and 1,187,305

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Solution

The fourth proportional to 2,141,161, 2,954,802.20 and 1,187,305 is: 1,638,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,161 : 2,954,802.20 = 1,187,305 : x
  2. Step 2: Convert to fraction form
    2,141,161/2,954,802.20 = 1,187,305/x
  3. Step 3: Cross multiply
    2,141,161x = 2,954,802.20 × 1,187,305
  4. Step 4: Simplify right side
    2,141,161x = 3,508,251,426,071
  5. Step 5: Solve for x
    x = 3,508,251,426,071/2,141,161
  6. Step 6: Final answer
    x = 1,638,480.91

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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.