Home / 3,439,239.48-5,158,907.64-1,309,439.88

Finding the Fourth Proportional to 3,439,239.48, 5,158,907.64 and 1,309,439.88

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Solution

The fourth proportional to 3,439,239.48, 5,158,907.64 and 1,309,439.88 is: 1,964,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,239.48 : 5,158,907.64 = 1,309,439.88 : x
  2. Step 2: Convert to fraction form
    3,439,239.48/5,158,907.64 = 1,309,439.88/x
  3. Step 3: Cross multiply
    3,439,239.48x = 5,158,907.64 × 1,309,439.88
  4. Step 4: Simplify right side
    3,439,239.48x = 6,755,279,401,052.68
  5. Step 5: Solve for x
    x = 6,755,279,401,052.68/3,439,239.48
  6. Step 6: Final answer
    x = 1,964,178.26

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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.