Home / 2,198,760.95-3,298,054.37-919,037.90

Finding the Fourth Proportional to 2,198,760.95, 3,298,054.37 and 919,037.90

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Solution

The fourth proportional to 2,198,760.95, 3,298,054.37 and 919,037.90 is: 1,378,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,760.95 : 3,298,054.37 = 919,037.90 : x
  2. Step 2: Convert to fraction form
    2,198,760.95/3,298,054.37 = 919,037.90/x
  3. Step 3: Cross multiply
    2,198,760.95x = 3,298,054.37 × 919,037.90
  4. Step 4: Simplify right side
    2,198,760.95x = 3,031,036,957,695.43
  5. Step 5: Solve for x
    x = 3,031,036,957,695.43/2,198,760.95
  6. Step 6: Final answer
    x = 1,378,520.46

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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.