Home / 3,579,390-4,939,559.01-1,969,758

Finding the Fourth Proportional to 3,579,390, 4,939,559.01 and 1,969,758

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Solution

The fourth proportional to 3,579,390, 4,939,559.01 and 1,969,758 is: 2,718,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,390 : 4,939,559.01 = 1,969,758 : x
  2. Step 2: Convert to fraction form
    3,579,390/4,939,559.01 = 1,969,758/x
  3. Step 3: Cross multiply
    3,579,390x = 4,939,559.01 × 1,969,758
  4. Step 4: Simplify right side
    3,579,390x = 9,729,735,876,419.58
  5. Step 5: Solve for x
    x = 9,729,735,876,419.58/3,579,390
  6. Step 6: Final answer
    x = 2,718,266.49

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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.