Home / 5,775,878.79-7,970,396.70-3,161,877.30

Finding the Fourth Proportional to 5,775,878.79, 7,970,396.70 and 3,161,877.30

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Solution

The fourth proportional to 5,775,878.79, 7,970,396.70 and 3,161,877.30 is: 4,363,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775,878.79 : 7,970,396.70 = 3,161,877.30 : x
  2. Step 2: Convert to fraction form
    5,775,878.79/7,970,396.70 = 3,161,877.30/x
  3. Step 3: Cross multiply
    5,775,878.79x = 7,970,396.70 × 3,161,877.30
  4. Step 4: Simplify right side
    5,775,878.79x = 25,201,416,397,724.91
  5. Step 5: Solve for x
    x = 25,201,416,397,724.91/5,775,878.79
  6. Step 6: Final answer
    x = 4,363,217.67

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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.