Home / 5,355,141.76-7,388,270.67-3,422,517.40

Finding the Fourth Proportional to 5,355,141.76, 7,388,270.67 and 3,422,517.40

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Solution

The fourth proportional to 5,355,141.76, 7,388,270.67 and 3,422,517.40 is: 4,721,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,141.76 : 7,388,270.67 = 3,422,517.40 : x
  2. Step 2: Convert to fraction form
    5,355,141.76/7,388,270.67 = 3,422,517.40/x
  3. Step 3: Cross multiply
    5,355,141.76x = 7,388,270.67 × 3,422,517.40
  4. Step 4: Simplify right side
    5,355,141.76x = 25,286,484,923,984.66
  5. Step 5: Solve for x
    x = 25,286,484,923,984.66/5,355,141.76
  6. Step 6: Final answer
    x = 4,721,907.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.