Home / 2,757,180.40-4,133,221.76-1,478,676.56

Finding the Fourth Proportional to 2,757,180.40, 4,133,221.76 and 1,478,676.56

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Solution

The fourth proportional to 2,757,180.40, 4,133,221.76 and 1,478,676.56 is: 2,216,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757,180.40 : 4,133,221.76 = 1,478,676.56 : x
  2. Step 2: Convert to fraction form
    2,757,180.40/4,133,221.76 = 1,478,676.56/x
  3. Step 3: Cross multiply
    2,757,180.40x = 4,133,221.76 × 1,478,676.56
  4. Step 4: Simplify right side
    2,757,180.40x = 6,111,698,133,793.95
  5. Step 5: Solve for x
    x = 6,111,698,133,793.95/2,757,180.40
  6. Step 6: Final answer
    x = 2,216,647.90

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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.