Home / 5,107,638.57-7,048,589.37-2,815,881.27

Finding the Fourth Proportional to 5,107,638.57, 7,048,589.37 and 2,815,881.27

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Solution

The fourth proportional to 5,107,638.57, 7,048,589.37 and 2,815,881.27 is: 3,885,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,638.57 : 7,048,589.37 = 2,815,881.27 : x
  2. Step 2: Convert to fraction form
    5,107,638.57/7,048,589.37 = 2,815,881.27/x
  3. Step 3: Cross multiply
    5,107,638.57x = 7,048,589.37 × 2,815,881.27
  4. Step 4: Simplify right side
    5,107,638.57x = 19,847,990,765,751.67
  5. Step 5: Solve for x
    x = 19,847,990,765,751.67/5,107,638.57
  6. Step 6: Final answer
    x = 3,885,942.69

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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.