Home / 5,112,802.89-7,058,224.78-3,179,686.25

Finding the Fourth Proportional to 5,112,802.89, 7,058,224.78 and 3,179,686.25

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Solution

The fourth proportional to 5,112,802.89, 7,058,224.78 and 3,179,686.25 is: 4,389,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,802.89 : 7,058,224.78 = 3,179,686.25 : x
  2. Step 2: Convert to fraction form
    5,112,802.89/7,058,224.78 = 3,179,686.25/x
  3. Step 3: Cross multiply
    5,112,802.89x = 7,058,224.78 × 3,179,686.25
  4. Step 4: Simplify right side
    5,112,802.89x = 22,442,940,292,071.62
  5. Step 5: Solve for x
    x = 22,442,940,292,071.62/5,112,802.89
  6. Step 6: Final answer
    x = 4,389,557.11

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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.