Home / 6,815,948.85-9,406,039.84-3,718,462.78

Finding the Fourth Proportional to 6,815,948.85, 9,406,039.84 and 3,718,462.78

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Solution

The fourth proportional to 6,815,948.85, 9,406,039.84 and 3,718,462.78 is: 5,131,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,948.85 : 9,406,039.84 = 3,718,462.78 : x
  2. Step 2: Convert to fraction form
    6,815,948.85/9,406,039.84 = 3,718,462.78/x
  3. Step 3: Cross multiply
    6,815,948.85x = 9,406,039.84 × 3,718,462.78
  4. Step 4: Simplify right side
    6,815,948.85x = 34,976,009,052,237.15
  5. Step 5: Solve for x
    x = 34,976,009,052,237.15/6,815,948.85
  6. Step 6: Final answer
    x = 5,131,495.24

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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.