Home / 3,179,486.98-4,387,649.61-1,729,151.20

Finding the Fourth Proportional to 3,179,486.98, 4,387,649.61 and 1,729,151.20

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Solution

The fourth proportional to 3,179,486.98, 4,387,649.61 and 1,729,151.20 is: 2,386,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,486.98 : 4,387,649.61 = 1,729,151.20 : x
  2. Step 2: Convert to fraction form
    3,179,486.98/4,387,649.61 = 1,729,151.20/x
  3. Step 3: Cross multiply
    3,179,486.98x = 4,387,649.61 × 1,729,151.20
  4. Step 4: Simplify right side
    3,179,486.98x = 7,586,909,588,311.03
  5. Step 5: Solve for x
    x = 7,586,909,588,311.03/3,179,486.98
  6. Step 6: Final answer
    x = 2,386,205.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.