Home / 1,889,200.80-2,833,801.20-1,871,486.10

Finding the Fourth Proportional to 1,889,200.80, 2,833,801.20 and 1,871,486.10

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Solution

The fourth proportional to 1,889,200.80, 2,833,801.20 and 1,871,486.10 is: 2,807,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,200.80 : 2,833,801.20 = 1,871,486.10 : x
  2. Step 2: Convert to fraction form
    1,889,200.80/2,833,801.20 = 1,871,486.10/x
  3. Step 3: Cross multiply
    1,889,200.80x = 2,833,801.20 × 1,871,486.10
  4. Step 4: Simplify right side
    1,889,200.80x = 5,303,419,555,963.32
  5. Step 5: Solve for x
    x = 5,303,419,555,963.32/1,889,200.80
  6. Step 6: Final answer
    x = 2,807,229.15

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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.