Home / 2,728,299.51-4,091,323.21-931,327.88

Finding the Fourth Proportional to 2,728,299.51, 4,091,323.21 and 931,327.88

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Solution

The fourth proportional to 2,728,299.51, 4,091,323.21 and 931,327.88 is: 1,396,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,299.51 : 4,091,323.21 = 931,327.88 : x
  2. Step 2: Convert to fraction form
    2,728,299.51/4,091,323.21 = 931,327.88/x
  3. Step 3: Cross multiply
    2,728,299.51x = 4,091,323.21 × 931,327.88
  4. Step 4: Simplify right side
    2,728,299.51x = 3,810,363,348,779.16
  5. Step 5: Solve for x
    x = 3,810,363,348,779.16/2,728,299.51
  6. Step 6: Final answer
    x = 1,396,607.42

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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.