Home / 2,634,840.50-3,949,211.10-1,211,910.26

Finding the Fourth Proportional to 2,634,840.50, 3,949,211.10 and 1,211,910.26

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Solution

The fourth proportional to 2,634,840.50, 3,949,211.10 and 1,211,910.26 is: 1,816,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,840.50 : 3,949,211.10 = 1,211,910.26 : x
  2. Step 2: Convert to fraction form
    2,634,840.50/3,949,211.10 = 1,211,910.26/x
  3. Step 3: Cross multiply
    2,634,840.50x = 3,949,211.10 × 1,211,910.26
  4. Step 4: Simplify right side
    2,634,840.50x = 4,786,089,460,868.91
  5. Step 5: Solve for x
    x = 4,786,089,460,868.91/2,634,840.50
  6. Step 6: Final answer
    x = 1,816,462.69

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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.