Home / 6,458,920.78-8,914,562.31-3,707,237.38

Finding the Fourth Proportional to 6,458,920.78, 8,914,562.31 and 3,707,237.38

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Solution

The fourth proportional to 6,458,920.78, 8,914,562.31 and 3,707,237.38 is: 5,116,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458,920.78 : 8,914,562.31 = 3,707,237.38 : x
  2. Step 2: Convert to fraction form
    6,458,920.78/8,914,562.31 = 3,707,237.38/x
  3. Step 3: Cross multiply
    6,458,920.78x = 8,914,562.31 × 3,707,237.38
  4. Step 4: Simplify right side
    6,458,920.78x = 33,048,398,621,971.15
  5. Step 5: Solve for x
    x = 33,048,398,621,971.15/6,458,920.78
  6. Step 6: Final answer
    x = 5,116,705.99

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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.