Home / 3,086,038.50-4,257,748.98-1,999,143.24

Finding the Fourth Proportional to 3,086,038.50, 4,257,748.98 and 1,999,143.24

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Solution

The fourth proportional to 3,086,038.50, 4,257,748.98 and 1,999,143.24 is: 2,758,180.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,038.50 : 4,257,748.98 = 1,999,143.24 : x
  2. Step 2: Convert to fraction form
    3,086,038.50/4,257,748.98 = 1,999,143.24/x
  3. Step 3: Cross multiply
    3,086,038.50x = 4,257,748.98 × 1,999,143.24
  4. Step 4: Simplify right side
    3,086,038.50x = 8,511,850,090,983.90
  5. Step 5: Solve for x
    x = 8,511,850,090,983.90/3,086,038.50
  6. Step 6: Final answer
    x = 2,758,180.14

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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.