Home / 5,383,518.94-7,428,994-3,208,013.65

Finding the Fourth Proportional to 5,383,518.94, 7,428,994 and 3,208,013.65

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Solution

The fourth proportional to 5,383,518.94, 7,428,994 and 3,208,013.65 is: 4,426,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,518.94 : 7,428,994 = 3,208,013.65 : x
  2. Step 2: Convert to fraction form
    5,383,518.94/7,428,994 = 3,208,013.65/x
  3. Step 3: Cross multiply
    5,383,518.94x = 7,428,994 × 3,208,013.65
  4. Step 4: Simplify right side
    5,383,518.94x = 23,832,314,157,768.10
  5. Step 5: Solve for x
    x = 23,832,314,157,768.10/5,383,518.94
  6. Step 6: Final answer
    x = 4,426,902.63

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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.