Home / 2,405,886.12-3,609,634.83-786,729.63

Finding the Fourth Proportional to 2,405,886.12, 3,609,634.83 and 786,729.63

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Solution

The fourth proportional to 2,405,886.12, 3,609,634.83 and 786,729.63 is: 1,180,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,886.12 : 3,609,634.83 = 786,729.63 : x
  2. Step 2: Convert to fraction form
    2,405,886.12/3,609,634.83 = 786,729.63/x
  3. Step 3: Cross multiply
    2,405,886.12x = 3,609,634.83 × 786,729.63
  4. Step 4: Simplify right side
    2,405,886.12x = 2,839,806,674,241.01
  5. Step 5: Solve for x
    x = 2,839,806,674,241.01/2,405,886.12
  6. Step 6: Final answer
    x = 1,180,357.89

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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.