Home / 5,159,929.67-7,120,707.50-2,836,861.71

Finding the Fourth Proportional to 5,159,929.67, 7,120,707.50 and 2,836,861.71

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Solution

The fourth proportional to 5,159,929.67, 7,120,707.50 and 2,836,861.71 is: 3,914,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,929.67 : 7,120,707.50 = 2,836,861.71 : x
  2. Step 2: Convert to fraction form
    5,159,929.67/7,120,707.50 = 2,836,861.71/x
  3. Step 3: Cross multiply
    5,159,929.67x = 7,120,707.50 × 2,836,861.71
  4. Step 4: Simplify right side
    5,159,929.67x = 20,200,462,488,654.63
  5. Step 5: Solve for x
    x = 20,200,462,488,654.63/5,159,929.67
  6. Step 6: Final answer
    x = 3,914,871.67

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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.