Home / 3,811,921.16-5,718,583.40-1,253,280.60

Finding the Fourth Proportional to 3,811,921.16, 5,718,583.40 and 1,253,280.60

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Solution

The fourth proportional to 3,811,921.16, 5,718,583.40 and 1,253,280.60 is: 1,880,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,921.16 : 5,718,583.40 = 1,253,280.60 : x
  2. Step 2: Convert to fraction form
    3,811,921.16/5,718,583.40 = 1,253,280.60/x
  3. Step 3: Cross multiply
    3,811,921.16x = 5,718,583.40 × 1,253,280.60
  4. Step 4: Simplify right side
    3,811,921.16x = 7,166,989,628,435.64
  5. Step 5: Solve for x
    x = 7,166,989,628,435.64/3,811,921.16
  6. Step 6: Final answer
    x = 1,880,151.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.