Home / 3,258,636.48-4,886,788.32-1,128,148.56

Finding the Fourth Proportional to 3,258,636.48, 4,886,788.32 and 1,128,148.56

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Solution

The fourth proportional to 3,258,636.48, 4,886,788.32 and 1,128,148.56 is: 1,691,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,636.48 : 4,886,788.32 = 1,128,148.56 : x
  2. Step 2: Convert to fraction form
    3,258,636.48/4,886,788.32 = 1,128,148.56/x
  3. Step 3: Cross multiply
    3,258,636.48x = 4,886,788.32 × 1,128,148.56
  4. Step 4: Simplify right side
    3,258,636.48x = 5,513,023,206,232.82
  5. Step 5: Solve for x
    x = 5,513,023,206,232.82/3,258,636.48
  6. Step 6: Final answer
    x = 1,691,819.03

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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.