Home / 2,198,761.20-3,298,054.74-919,038.15

Finding the Fourth Proportional to 2,198,761.20, 3,298,054.74 and 919,038.15

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Solution

The fourth proportional to 2,198,761.20, 3,298,054.74 and 919,038.15 is: 1,378,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,761.20 : 3,298,054.74 = 919,038.15 : x
  2. Step 2: Convert to fraction form
    2,198,761.20/3,298,054.74 = 919,038.15/x
  3. Step 3: Cross multiply
    2,198,761.20x = 3,298,054.74 × 919,038.15
  4. Step 4: Simplify right side
    2,198,761.20x = 3,031,038,126,848.33
  5. Step 5: Solve for x
    x = 3,031,038,126,848.33/2,198,761.20
  6. Step 6: Final answer
    x = 1,378,520.84

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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.