Home / 4,813,243.70-7,221,809.55-2,118,082.10

Finding the Fourth Proportional to 4,813,243.70, 7,221,809.55 and 2,118,082.10

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Solution

The fourth proportional to 4,813,243.70, 7,221,809.55 and 2,118,082.10 is: 3,177,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,243.70 : 7,221,809.55 = 2,118,082.10 : x
  2. Step 2: Convert to fraction form
    4,813,243.70/7,221,809.55 = 2,118,082.10/x
  3. Step 3: Cross multiply
    4,813,243.70x = 7,221,809.55 × 2,118,082.10
  4. Step 4: Simplify right side
    4,813,243.70x = 15,296,385,537,464.05
  5. Step 5: Solve for x
    x = 15,296,385,537,464.05/4,813,243.70
  6. Step 6: Final answer
    x = 3,177,978.61

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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.