Home / 4,993,431.44-6,890,933.05-2,818,430.78

Finding the Fourth Proportional to 4,993,431.44, 6,890,933.05 and 2,818,430.78

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Solution

The fourth proportional to 4,993,431.44, 6,890,933.05 and 2,818,430.78 is: 3,889,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993,431.44 : 6,890,933.05 = 2,818,430.78 : x
  2. Step 2: Convert to fraction form
    4,993,431.44/6,890,933.05 = 2,818,430.78/x
  3. Step 3: Cross multiply
    4,993,431.44x = 6,890,933.05 × 2,818,430.78
  4. Step 4: Simplify right side
    4,993,431.44x = 19,421,617,769,538.54
  5. Step 5: Solve for x
    x = 19,421,617,769,538.54/4,993,431.44
  6. Step 6: Final answer
    x = 3,889,433.15

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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.