Home / 5,519,811.12-7,617,338.40-3,072,369.54

Finding the Fourth Proportional to 5,519,811.12, 7,617,338.40 and 3,072,369.54

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Solution

The fourth proportional to 5,519,811.12, 7,617,338.40 and 3,072,369.54 is: 4,239,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519,811.12 : 7,617,338.40 = 3,072,369.54 : x
  2. Step 2: Convert to fraction form
    5,519,811.12/7,617,338.40 = 3,072,369.54/x
  3. Step 3: Cross multiply
    5,519,811.12x = 7,617,338.40 × 3,072,369.54
  4. Step 4: Simplify right side
    5,519,811.12x = 23,403,278,476,032.34
  5. Step 5: Solve for x
    x = 23,403,278,476,032.34/5,519,811.12
  6. Step 6: Final answer
    x = 4,239,869.44

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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.