Home / 3,210,745.88-4,431,028.38-1,779,961.88

Finding the Fourth Proportional to 3,210,745.88, 4,431,028.38 and 1,779,961.88

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Solution

The fourth proportional to 3,210,745.88, 4,431,028.38 and 1,779,961.88 is: 2,456,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,745.88 : 4,431,028.38 = 1,779,961.88 : x
  2. Step 2: Convert to fraction form
    3,210,745.88/4,431,028.38 = 1,779,961.88/x
  3. Step 3: Cross multiply
    3,210,745.88x = 4,431,028.38 × 1,779,961.88
  4. Step 4: Simplify right side
    3,210,745.88x = 7,887,061,605,598.15
  5. Step 5: Solve for x
    x = 7,887,061,605,598.15/3,210,745.88
  6. Step 6: Final answer
    x = 2,456,457.75

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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.