Home / 5,263,634.70-7,896,205.22-1,620,672.86

Finding the Fourth Proportional to 5,263,634.70, 7,896,205.22 and 1,620,672.86

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Solution

The fourth proportional to 5,263,634.70, 7,896,205.22 and 1,620,672.86 is: 2,431,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263,634.70 : 7,896,205.22 = 1,620,672.86 : x
  2. Step 2: Convert to fraction form
    5,263,634.70/7,896,205.22 = 1,620,672.86/x
  3. Step 3: Cross multiply
    5,263,634.70x = 7,896,205.22 × 1,620,672.86
  4. Step 4: Simplify right side
    5,263,634.70x = 12,797,165,508,681.48
  5. Step 5: Solve for x
    x = 12,797,165,508,681.48/5,263,634.70
  6. Step 6: Final answer
    x = 2,431,241.19

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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.