Home / 3,809,719.86-5,257,409.13-2,090,844.78

Finding the Fourth Proportional to 3,809,719.86, 5,257,409.13 and 2,090,844.78

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Solution

The fourth proportional to 3,809,719.86, 5,257,409.13 and 2,090,844.78 is: 2,885,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,719.86 : 5,257,409.13 = 2,090,844.78 : x
  2. Step 2: Convert to fraction form
    3,809,719.86/5,257,409.13 = 2,090,844.78/x
  3. Step 3: Cross multiply
    3,809,719.86x = 5,257,409.13 × 2,090,844.78
  4. Step 4: Simplify right side
    3,809,719.86x = 10,992,426,435,784.84
  5. Step 5: Solve for x
    x = 10,992,426,435,784.84/3,809,719.86
  6. Step 6: Final answer
    x = 2,885,363.45

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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.