Home / 3,507,825.69-4,840,762.77-1,979,997.21

Finding the Fourth Proportional to 3,507,825.69, 4,840,762.77 and 1,979,997.21

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Solution

The fourth proportional to 3,507,825.69, 4,840,762.77 and 1,979,997.21 is: 2,732,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507,825.69 : 4,840,762.77 = 1,979,997.21 : x
  2. Step 2: Convert to fraction form
    3,507,825.69/4,840,762.77 = 1,979,997.21/x
  3. Step 3: Cross multiply
    3,507,825.69x = 4,840,762.77 × 1,979,997.21
  4. Step 4: Simplify right side
    3,507,825.69x = 9,584,696,778,871.87
  5. Step 5: Solve for x
    x = 9,584,696,778,871.87/3,507,825.69
  6. Step 6: Final answer
    x = 2,732,375.44

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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.