Home / 1,907,391.65-2,632,192.71-1,091,591.44

Finding the Fourth Proportional to 1,907,391.65, 2,632,192.71 and 1,091,591.44

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Solution

The fourth proportional to 1,907,391.65, 2,632,192.71 and 1,091,591.44 is: 1,506,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,391.65 : 2,632,192.71 = 1,091,591.44 : x
  2. Step 2: Convert to fraction form
    1,907,391.65/2,632,192.71 = 1,091,591.44/x
  3. Step 3: Cross multiply
    1,907,391.65x = 2,632,192.71 × 1,091,591.44
  4. Step 4: Simplify right side
    1,907,391.65x = 2,873,279,019,992.45
  5. Step 5: Solve for x
    x = 2,873,279,019,992.45/1,907,391.65
  6. Step 6: Final answer
    x = 1,506,391.74

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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.