Home / 2,309,649.20-3,462,630.60-978,858.80

Finding the Fourth Proportional to 2,309,649.20, 3,462,630.60 and 978,858.80

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Solution

The fourth proportional to 2,309,649.20, 3,462,630.60 and 978,858.80 is: 1,467,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,649.20 : 3,462,630.60 = 978,858.80 : x
  2. Step 2: Convert to fraction form
    2,309,649.20/3,462,630.60 = 978,858.80/x
  3. Step 3: Cross multiply
    2,309,649.20x = 3,462,630.60 × 978,858.80
  4. Step 4: Simplify right side
    2,309,649.20x = 3,389,426,433,959.28
  5. Step 5: Solve for x
    x = 3,389,426,433,959.28/2,309,649.20
  6. Step 6: Final answer
    x = 1,467,507.03

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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.