Home / 2,129,489.02-3,194,261.18-613,196.80

Finding the Fourth Proportional to 2,129,489.02, 3,194,261.18 and 613,196.80

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Solution

The fourth proportional to 2,129,489.02, 3,194,261.18 and 613,196.80 is: 919,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,489.02 : 3,194,261.18 = 613,196.80 : x
  2. Step 2: Convert to fraction form
    2,129,489.02/3,194,261.18 = 613,196.80/x
  3. Step 3: Cross multiply
    2,129,489.02x = 3,194,261.18 × 613,196.80
  4. Step 4: Simplify right side
    2,129,489.02x = 1,958,710,733,940.22
  5. Step 5: Solve for x
    x = 1,958,710,733,940.22/2,129,489.02
  6. Step 6: Final answer
    x = 919,803.16

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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.