Home / 3,879,829.05-5,353,219.83-2,555,116.03

Finding the Fourth Proportional to 3,879,829.05, 5,353,219.83 and 2,555,116.03

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Solution

The fourth proportional to 3,879,829.05, 5,353,219.83 and 2,555,116.03 is: 3,525,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,829.05 : 5,353,219.83 = 2,555,116.03 : x
  2. Step 2: Convert to fraction form
    3,879,829.05/5,353,219.83 = 2,555,116.03/x
  3. Step 3: Cross multiply
    3,879,829.05x = 5,353,219.83 × 2,555,116.03
  4. Step 4: Simplify right side
    3,879,829.05x = 13,678,097,799,746.87
  5. Step 5: Solve for x
    x = 13,678,097,799,746.87/3,879,829.05
  6. Step 6: Final answer
    x = 3,525,438.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.