Home / 2,805,190.08-3,869,367.22-1,945,436.64

Finding the Fourth Proportional to 2,805,190.08, 3,869,367.22 and 1,945,436.64

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Solution

The fourth proportional to 2,805,190.08, 3,869,367.22 and 1,945,436.64 is: 2,683,457.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805,190.08 : 3,869,367.22 = 1,945,436.64 : x
  2. Step 2: Convert to fraction form
    2,805,190.08/3,869,367.22 = 1,945,436.64/x
  3. Step 3: Cross multiply
    2,805,190.08x = 3,869,367.22 × 1,945,436.64
  4. Step 4: Simplify right side
    2,805,190.08x = 7,527,608,740,381.53
  5. Step 5: Solve for x
    x = 7,527,608,740,381.53/2,805,190.08
  6. Step 6: Final answer
    x = 2,683,457.64

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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.