Finding the Fourth Proportional to 4,420,612.36, 6,630,896.34 and 3,819,745.24
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Solution
The fourth proportional to 4,420,612.36, 6,630,896.34 and 3,819,745.24 is: 5,729,598.68
Step by Step Solution
- Step 1: Write the proportion equation
4,420,612.36 : 6,630,896.34 = 3,819,745.24 : x - Step 2: Convert to fraction form
4,420,612.36/6,630,896.34 = 3,819,745.24/x - Step 3: Cross multiply
4,420,612.36x = 6,630,896.34 × 3,819,745.24 - Step 4: Simplify right side
4,420,612.36x = 25,328,334,731,648.42 - Step 5: Solve for x
x = 25,328,334,731,648.42/4,420,612.36 - Step 6: Final answer
x = 5,729,598.68
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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.