Home / 2,765,643.21-3,816,838.26-1,678,190.27

Finding the Fourth Proportional to 2,765,643.21, 3,816,838.26 and 1,678,190.27

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Solution

The fourth proportional to 2,765,643.21, 3,816,838.26 and 1,678,190.27 is: 2,316,054.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,643.21 : 3,816,838.26 = 1,678,190.27 : x
  2. Step 2: Convert to fraction form
    2,765,643.21/3,816,838.26 = 1,678,190.27/x
  3. Step 3: Cross multiply
    2,765,643.21x = 3,816,838.26 × 1,678,190.27
  4. Step 4: Simplify right side
    2,765,643.21x = 6,405,380,811,011.54
  5. Step 5: Solve for x
    x = 6,405,380,811,011.54/2,765,643.21
  6. Step 6: Final answer
    x = 2,316,054.65

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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.