Home / 3,086,389.70-4,259,171.13-1,728,311.30

Finding the Fourth Proportional to 3,086,389.70, 4,259,171.13 and 1,728,311.30

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Solution

The fourth proportional to 3,086,389.70, 4,259,171.13 and 1,728,311.30 is: 2,385,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,389.70 : 4,259,171.13 = 1,728,311.30 : x
  2. Step 2: Convert to fraction form
    3,086,389.70/4,259,171.13 = 1,728,311.30/x
  3. Step 3: Cross multiply
    3,086,389.70x = 4,259,171.13 × 1,728,311.30
  4. Step 4: Simplify right side
    3,086,389.70x = 7,361,173,592,612.77
  5. Step 5: Solve for x
    x = 7,361,173,592,612.77/3,086,389.70
  6. Step 6: Final answer
    x = 2,385,043.47

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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.