Home / 2,990,975.70-4,486,463.55-1,928,093.70

Finding the Fourth Proportional to 2,990,975.70, 4,486,463.55 and 1,928,093.70

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Solution

The fourth proportional to 2,990,975.70, 4,486,463.55 and 1,928,093.70 is: 2,892,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,975.70 : 4,486,463.55 = 1,928,093.70 : x
  2. Step 2: Convert to fraction form
    2,990,975.70/4,486,463.55 = 1,928,093.70/x
  3. Step 3: Cross multiply
    2,990,975.70x = 4,486,463.55 × 1,928,093.70
  4. Step 4: Simplify right side
    2,990,975.70x = 8,650,322,106,034.64
  5. Step 5: Solve for x
    x = 8,650,322,106,034.64/2,990,975.70
  6. Step 6: Final answer
    x = 2,892,140.55

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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.