Home / 1,679,556.20-2,519,334.30-1,480,101.80

Finding the Fourth Proportional to 1,679,556.20, 2,519,334.30 and 1,480,101.80

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Solution

The fourth proportional to 1,679,556.20, 2,519,334.30 and 1,480,101.80 is: 2,220,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,556.20 : 2,519,334.30 = 1,480,101.80 : x
  2. Step 2: Convert to fraction form
    1,679,556.20/2,519,334.30 = 1,480,101.80/x
  3. Step 3: Cross multiply
    1,679,556.20x = 2,519,334.30 × 1,480,101.80
  4. Step 4: Simplify right side
    1,679,556.20x = 3,728,871,232,231.74
  5. Step 5: Solve for x
    x = 3,728,871,232,231.74/1,679,556.20
  6. Step 6: Final answer
    x = 2,220,152.70

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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.