Home / 3,870,583.41-5,341,441.49-2,128,343.07

Finding the Fourth Proportional to 3,870,583.41, 5,341,441.49 and 2,128,343.07

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Solution

The fourth proportional to 3,870,583.41, 5,341,441.49 and 2,128,343.07 is: 2,937,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,583.41 : 5,341,441.49 = 2,128,343.07 : x
  2. Step 2: Convert to fraction form
    3,870,583.41/5,341,441.49 = 2,128,343.07/x
  3. Step 3: Cross multiply
    3,870,583.41x = 5,341,441.49 × 2,128,343.07
  4. Step 4: Simplify right side
    3,870,583.41x = 11,368,419,968,410.26
  5. Step 5: Solve for x
    x = 11,368,419,968,410.26/3,870,583.41
  6. Step 6: Final answer
    x = 2,937,133.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.