Home / 3,531,507.20-5,297,260.80-872,115.20

Finding the Fourth Proportional to 3,531,507.20, 5,297,260.80 and 872,115.20

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Solution

The fourth proportional to 3,531,507.20, 5,297,260.80 and 872,115.20 is: 1,308,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,507.20 : 5,297,260.80 = 872,115.20 : x
  2. Step 2: Convert to fraction form
    3,531,507.20/5,297,260.80 = 872,115.20/x
  3. Step 3: Cross multiply
    3,531,507.20x = 5,297,260.80 × 872,115.20
  4. Step 4: Simplify right side
    3,531,507.20x = 4,619,821,662,044.16
  5. Step 5: Solve for x
    x = 4,619,821,662,044.16/3,531,507.20
  6. Step 6: Final answer
    x = 1,308,172.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.