Home / 5,134,351.48-7,085,406.76-2,811,390.93

Finding the Fourth Proportional to 5,134,351.48, 7,085,406.76 and 2,811,390.93

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Solution

The fourth proportional to 5,134,351.48, 7,085,406.76 and 2,811,390.93 is: 3,879,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,351.48 : 7,085,406.76 = 2,811,390.93 : x
  2. Step 2: Convert to fraction form
    5,134,351.48/7,085,406.76 = 2,811,390.93/x
  3. Step 3: Cross multiply
    5,134,351.48x = 7,085,406.76 × 2,811,390.93
  4. Step 4: Simplify right side
    5,134,351.48x = 19,919,848,300,424.69
  5. Step 5: Solve for x
    x = 19,919,848,300,424.69/5,134,351.48
  6. Step 6: Final answer
    x = 3,879,720.42

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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.