Home / 5,176,536.96-7,143,672.96-2,853,512

Finding the Fourth Proportional to 5,176,536.96, 7,143,672.96 and 2,853,512

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Solution

The fourth proportional to 5,176,536.96, 7,143,672.96 and 2,853,512 is: 3,937,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176,536.96 : 7,143,672.96 = 2,853,512 : x
  2. Step 2: Convert to fraction form
    5,176,536.96/7,143,672.96 = 2,853,512/x
  3. Step 3: Cross multiply
    5,176,536.96x = 7,143,672.96 × 2,853,512
  4. Step 4: Simplify right side
    5,176,536.96x = 20,384,556,515,435.52
  5. Step 5: Solve for x
    x = 20,384,556,515,435.52/5,176,536.96
  6. Step 6: Final answer
    x = 3,937,875.20

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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.