Home / 4,481,065.85-6,721,588.49-1,920,620.54

Finding the Fourth Proportional to 4,481,065.85, 6,721,588.49 and 1,920,620.54

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Solution

The fourth proportional to 4,481,065.85, 6,721,588.49 and 1,920,620.54 is: 2,880,926.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481,065.85 : 6,721,588.49 = 1,920,620.54 : x
  2. Step 2: Convert to fraction form
    4,481,065.85/6,721,588.49 = 1,920,620.54/x
  3. Step 3: Cross multiply
    4,481,065.85x = 6,721,588.49 × 1,920,620.54
  4. Step 4: Simplify right side
    4,481,065.85x = 12,909,620,922,522.45
  5. Step 5: Solve for x
    x = 12,909,620,922,522.45/4,481,065.85
  6. Step 6: Final answer
    x = 2,880,926.41

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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.