Home / 2,179,538.62-3,269,430.74-663,270.86

Finding the Fourth Proportional to 2,179,538.62, 3,269,430.74 and 663,270.86

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Solution

The fourth proportional to 2,179,538.62, 3,269,430.74 and 663,270.86 is: 994,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,538.62 : 3,269,430.74 = 663,270.86 : x
  2. Step 2: Convert to fraction form
    2,179,538.62/3,269,430.74 = 663,270.86/x
  3. Step 3: Cross multiply
    2,179,538.62x = 3,269,430.74 × 663,270.86
  4. Step 4: Simplify right side
    2,179,538.62x = 2,168,518,148,461.99
  5. Step 5: Solve for x
    x = 2,168,518,148,461.99/2,179,538.62
  6. Step 6: Final answer
    x = 994,943.67

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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.