Home / 3,846,128.81-5,769,540.72-1,113,636.33

Finding the Fourth Proportional to 3,846,128.81, 5,769,540.72 and 1,113,636.33

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Solution

The fourth proportional to 3,846,128.81, 5,769,540.72 and 1,113,636.33 is: 1,670,555.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846,128.81 : 5,769,540.72 = 1,113,636.33 : x
  2. Step 2: Convert to fraction form
    3,846,128.81/5,769,540.72 = 1,113,636.33/x
  3. Step 3: Cross multiply
    3,846,128.81x = 5,769,540.72 × 1,113,636.33
  4. Step 4: Simplify right side
    3,846,128.81x = 6,425,170,153,206.36
  5. Step 5: Solve for x
    x = 6,425,170,153,206.36/3,846,128.81
  6. Step 6: Final answer
    x = 1,670,555.12

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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.