Home / 1,889,221.37-2,833,844.81-690,650.60

Finding the Fourth Proportional to 1,889,221.37, 2,833,844.81 and 690,650.60

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Solution

The fourth proportional to 1,889,221.37, 2,833,844.81 and 690,650.60 is: 1,035,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,221.37 : 2,833,844.81 = 690,650.60 : x
  2. Step 2: Convert to fraction form
    1,889,221.37/2,833,844.81 = 690,650.60/x
  3. Step 3: Cross multiply
    1,889,221.37x = 2,833,844.81 × 690,650.60
  4. Step 4: Simplify right side
    1,889,221.37x = 1,957,196,600,710.91
  5. Step 5: Solve for x
    x = 1,957,196,600,710.91/1,889,221.37
  6. Step 6: Final answer
    x = 1,035,980.56

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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.