Home / 4,920,673.20-7,381,009.80-3,660,961.20

Finding the Fourth Proportional to 4,920,673.20, 7,381,009.80 and 3,660,961.20

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Solution

The fourth proportional to 4,920,673.20, 7,381,009.80 and 3,660,961.20 is: 5,491,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,673.20 : 7,381,009.80 = 3,660,961.20 : x
  2. Step 2: Convert to fraction form
    4,920,673.20/7,381,009.80 = 3,660,961.20/x
  3. Step 3: Cross multiply
    4,920,673.20x = 7,381,009.80 × 3,660,961.20
  4. Step 4: Simplify right side
    4,920,673.20x = 27,021,590,494,619.76
  5. Step 5: Solve for x
    x = 27,021,590,494,619.76/4,920,673.20
  6. Step 6: Final answer
    x = 5,491,441.80

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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.