Home / 5,120,195.69-7,677,722.12-1,707,274.05

Finding the Fourth Proportional to 5,120,195.69, 7,677,722.12 and 1,707,274.05

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Solution

The fourth proportional to 5,120,195.69, 7,677,722.12 and 1,707,274.05 is: 2,560,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,195.69 : 7,677,722.12 = 1,707,274.05 : x
  2. Step 2: Convert to fraction form
    5,120,195.69/7,677,722.12 = 1,707,274.05/x
  3. Step 3: Cross multiply
    5,120,195.69x = 7,677,722.12 × 1,707,274.05
  4. Step 4: Simplify right side
    5,120,195.69x = 13,107,975,730,050.62
  5. Step 5: Solve for x
    x = 13,107,975,730,050.62/5,120,195.69
  6. Step 6: Final answer
    x = 2,560,053.67

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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.