Home / 4,890,889.15-6,749,114.81-2,715,431.75

Finding the Fourth Proportional to 4,890,889.15, 6,749,114.81 and 2,715,431.75

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Solution

The fourth proportional to 4,890,889.15, 6,749,114.81 and 2,715,431.75 is: 3,747,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,889.15 : 6,749,114.81 = 2,715,431.75 : x
  2. Step 2: Convert to fraction form
    4,890,889.15/6,749,114.81 = 2,715,431.75/x
  3. Step 3: Cross multiply
    4,890,889.15x = 6,749,114.81 × 2,715,431.75
  4. Step 4: Simplify right side
    4,890,889.15x = 18,326,760,617,455.66
  5. Step 5: Solve for x
    x = 18,326,760,617,455.66/4,890,889.15
  6. Step 6: Final answer
    x = 3,747,122.47

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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.