Home / 5,237,725.92-7,856,920.90-1,643,634.68

Finding the Fourth Proportional to 5,237,725.92, 7,856,920.90 and 1,643,634.68

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Solution

The fourth proportional to 5,237,725.92, 7,856,920.90 and 1,643,634.68 is: 2,465,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,725.92 : 7,856,920.90 = 1,643,634.68 : x
  2. Step 2: Convert to fraction form
    5,237,725.92/7,856,920.90 = 1,643,634.68/x
  3. Step 3: Cross multiply
    5,237,725.92x = 7,856,920.90 × 1,643,634.68
  4. Step 4: Simplify right side
    5,237,725.92x = 12,913,907,669,256.81
  5. Step 5: Solve for x
    x = 12,913,907,669,256.81/5,237,725.92
  6. Step 6: Final answer
    x = 2,465,556.21

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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.