Home / 3,781,856.26-5,672,833.53-1,257,511.42

Finding the Fourth Proportional to 3,781,856.26, 5,672,833.53 and 1,257,511.42

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Solution

The fourth proportional to 3,781,856.26, 5,672,833.53 and 1,257,511.42 is: 1,886,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,856.26 : 5,672,833.53 = 1,257,511.42 : x
  2. Step 2: Convert to fraction form
    3,781,856.26/5,672,833.53 = 1,257,511.42/x
  3. Step 3: Cross multiply
    3,781,856.26x = 5,672,833.53 × 1,257,511.42
  4. Step 4: Simplify right side
    3,781,856.26x = 7,133,652,947,733.91
  5. Step 5: Solve for x
    x = 7,133,652,947,733.91/3,781,856.26
  6. Step 6: Final answer
    x = 1,886,283.47

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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.