Home / 2,809,176.48-3,876,634.44-1,519,988.40

Finding the Fourth Proportional to 2,809,176.48, 3,876,634.44 and 1,519,988.40

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Solution

The fourth proportional to 2,809,176.48, 3,876,634.44 and 1,519,988.40 is: 2,097,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,176.48 : 3,876,634.44 = 1,519,988.40 : x
  2. Step 2: Convert to fraction form
    2,809,176.48/3,876,634.44 = 1,519,988.40/x
  3. Step 3: Cross multiply
    2,809,176.48x = 3,876,634.44 × 1,519,988.40
  4. Step 4: Simplify right side
    2,809,176.48x = 5,892,439,379,840.50
  5. Step 5: Solve for x
    x = 5,892,439,379,840.50/2,809,176.48
  6. Step 6: Final answer
    x = 2,097,568.25

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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.