Home / 4,287,137.88-5,915,038.32-2,760,129.12

Finding the Fourth Proportional to 4,287,137.88, 5,915,038.32 and 2,760,129.12

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Solution

The fourth proportional to 4,287,137.88, 5,915,038.32 and 2,760,129.12 is: 3,808,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,137.88 : 5,915,038.32 = 2,760,129.12 : x
  2. Step 2: Convert to fraction form
    4,287,137.88/5,915,038.32 = 2,760,129.12/x
  3. Step 3: Cross multiply
    4,287,137.88x = 5,915,038.32 × 2,760,129.12
  4. Step 4: Simplify right side
    4,287,137.88x = 16,326,269,512,947.88
  5. Step 5: Solve for x
    x = 16,326,269,512,947.88/4,287,137.88
  6. Step 6: Final answer
    x = 3,808,197.91

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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.