Home / 2,183,135.60-3,274,703.40-1,387,942.40

Finding the Fourth Proportional to 2,183,135.60, 3,274,703.40 and 1,387,942.40

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Solution

The fourth proportional to 2,183,135.60, 3,274,703.40 and 1,387,942.40 is: 2,081,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,135.60 : 3,274,703.40 = 1,387,942.40 : x
  2. Step 2: Convert to fraction form
    2,183,135.60/3,274,703.40 = 1,387,942.40/x
  3. Step 3: Cross multiply
    2,183,135.60x = 3,274,703.40 × 1,387,942.40
  4. Step 4: Simplify right side
    2,183,135.60x = 4,545,099,696,284.16
  5. Step 5: Solve for x
    x = 4,545,099,696,284.16/2,183,135.60
  6. Step 6: Final answer
    x = 2,081,913.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.