Home / 3,415,095.21-5,121,183.76-1,976,771.40

Finding the Fourth Proportional to 3,415,095.21, 5,121,183.76 and 1,976,771.40

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Solution

The fourth proportional to 3,415,095.21, 5,121,183.76 and 1,976,771.40 is: 2,964,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,095.21 : 5,121,183.76 = 1,976,771.40 : x
  2. Step 2: Convert to fraction form
    3,415,095.21/5,121,183.76 = 1,976,771.40/x
  3. Step 3: Cross multiply
    3,415,095.21x = 5,121,183.76 × 1,976,771.40
  4. Step 4: Simplify right side
    3,415,095.21x = 10,123,409,590,912.46
  5. Step 5: Solve for x
    x = 10,123,409,590,912.46/3,415,095.21
  6. Step 6: Final answer
    x = 2,964,312.55

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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.