Home / 3,991,916.54-5,987,788.34-1,113,206.54

Finding the Fourth Proportional to 3,991,916.54, 5,987,788.34 and 1,113,206.54

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Solution

The fourth proportional to 3,991,916.54, 5,987,788.34 and 1,113,206.54 is: 1,669,785.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,916.54 : 5,987,788.34 = 1,113,206.54 : x
  2. Step 2: Convert to fraction form
    3,991,916.54/5,987,788.34 = 1,113,206.54/x
  3. Step 3: Cross multiply
    3,991,916.54x = 5,987,788.34 × 1,113,206.54
  4. Step 4: Simplify right side
    3,991,916.54x = 6,665,645,104,718.77
  5. Step 5: Solve for x
    x = 6,665,645,104,718.77/3,991,916.54
  6. Step 6: Final answer
    x = 1,669,785.69

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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.