Home / 5,305,017-7,320,923.55-2,890,569

Finding the Fourth Proportional to 5,305,017, 7,320,923.55 and 2,890,569

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Solution

The fourth proportional to 5,305,017, 7,320,923.55 and 2,890,569 is: 3,988,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,305,017 : 7,320,923.55 = 2,890,569 : x
  2. Step 2: Convert to fraction form
    5,305,017/7,320,923.55 = 2,890,569/x
  3. Step 3: Cross multiply
    5,305,017x = 7,320,923.55 × 2,890,569
  4. Step 4: Simplify right side
    5,305,017x = 21,161,634,664,999.95
  5. Step 5: Solve for x
    x = 21,161,634,664,999.95/5,305,017
  6. Step 6: Final answer
    x = 3,988,985.27

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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.