Home / 2,106,653.18-2,907,180.32-1,189,074.87

Finding the Fourth Proportional to 2,106,653.18, 2,907,180.32 and 1,189,074.87

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Solution

The fourth proportional to 2,106,653.18, 2,907,180.32 and 1,189,074.87 is: 1,640,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,653.18 : 2,907,180.32 = 1,189,074.87 : x
  2. Step 2: Convert to fraction form
    2,106,653.18/2,907,180.32 = 1,189,074.87/x
  3. Step 3: Cross multiply
    2,106,653.18x = 2,907,180.32 × 1,189,074.87
  4. Step 4: Simplify right side
    2,106,653.18x = 3,456,855,055,125.18
  5. Step 5: Solve for x
    x = 3,456,855,055,125.18/2,106,653.18
  6. Step 6: Final answer
    x = 1,640,922.72

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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.