Home / 1,871,611.94-2,582,832.25-1,012,172.21

Finding the Fourth Proportional to 1,871,611.94, 2,582,832.25 and 1,012,172.21

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Solution

The fourth proportional to 1,871,611.94, 2,582,832.25 and 1,012,172.21 is: 1,396,801.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,611.94 : 2,582,832.25 = 1,012,172.21 : x
  2. Step 2: Convert to fraction form
    1,871,611.94/2,582,832.25 = 1,012,172.21/x
  3. Step 3: Cross multiply
    1,871,611.94x = 2,582,832.25 × 1,012,172.21
  4. Step 4: Simplify right side
    1,871,611.94x = 2,614,271,026,541.77
  5. Step 5: Solve for x
    x = 2,614,271,026,541.77/1,871,611.94
  6. Step 6: Final answer
    x = 1,396,801.85

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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.