Home / 5,305,221-7,304,418.54-4,820,335.56

Finding the Fourth Proportional to 5,305,221, 7,304,418.54 and 4,820,335.56

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Solution

The fourth proportional to 5,305,221, 7,304,418.54 and 4,820,335.56 is: 6,636,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,221 : 7,304,418.54 = 4,820,335.56 : x
  2. Step 2: Convert to fraction form
    5,305,221/7,304,418.54 = 4,820,335.56/x
  3. Step 3: Cross multiply
    5,305,221x = 7,304,418.54 × 4,820,335.56
  4. Step 4: Simplify right side
    5,305,221x = 35,209,748,433,485.28
  5. Step 5: Solve for x
    x = 35,209,748,433,485.28/5,305,221
  6. Step 6: Final answer
    x = 6,636,810.88

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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.