Home / 5,101,647.84-7,040,593.60-2,809,808

Finding the Fourth Proportional to 5,101,647.84, 7,040,593.60 and 2,809,808

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Solution

The fourth proportional to 5,101,647.84, 7,040,593.60 and 2,809,808 is: 3,877,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,647.84 : 7,040,593.60 = 2,809,808 : x
  2. Step 2: Convert to fraction form
    5,101,647.84/7,040,593.60 = 2,809,808/x
  3. Step 3: Cross multiply
    5,101,647.84x = 7,040,593.60 × 2,809,808
  4. Step 4: Simplify right side
    5,101,647.84x = 19,782,716,222,028.80
  5. Step 5: Solve for x
    x = 19,782,716,222,028.80/5,101,647.84
  6. Step 6: Final answer
    x = 3,877,711.05

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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.