Home / 3,953,785.10-5,923,907.54-2,157,928.74

Finding the Fourth Proportional to 3,953,785.10, 5,923,907.54 and 2,157,928.74

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Solution

The fourth proportional to 3,953,785.10, 5,923,907.54 and 2,157,928.74 is: 3,233,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,785.10 : 5,923,907.54 = 2,157,928.74 : x
  2. Step 2: Convert to fraction form
    3,953,785.10/5,923,907.54 = 2,157,928.74/x
  3. Step 3: Cross multiply
    3,953,785.10x = 5,923,907.54 × 2,157,928.74
  4. Step 4: Simplify right side
    3,953,785.10x = 12,783,370,333,668.70
  5. Step 5: Solve for x
    x = 12,783,370,333,668.70/3,953,785.10
  6. Step 6: Final answer
    x = 3,233,198.06

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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.