Home / 5,112,881.64-7,058,333.52-3,179,765.07

Finding the Fourth Proportional to 5,112,881.64, 7,058,333.52 and 3,179,765.07

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Solution

The fourth proportional to 5,112,881.64, 7,058,333.52 and 3,179,765.07 is: 4,389,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,881.64 : 7,058,333.52 = 3,179,765.07 : x
  2. Step 2: Convert to fraction form
    5,112,881.64/7,058,333.52 = 3,179,765.07/x
  3. Step 3: Cross multiply
    5,112,881.64x = 7,058,333.52 × 3,179,765.07
  4. Step 4: Simplify right side
    5,112,881.64x = 22,443,842,379,306.14
  5. Step 5: Solve for x
    x = 22,443,842,379,306.14/5,112,881.64
  6. Step 6: Final answer
    x = 4,389,665.94

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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.