Finding the Fourth Proportional to 3,977,607.62, 5,489,230.46 and 2,235,580.08
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Solution
The fourth proportional to 3,977,607.62, 5,489,230.46 and 2,235,580.08 is: 3,085,174.67
Step by Step Solution
- Step 1: Write the proportion equation
3,977,607.62 : 5,489,230.46 = 2,235,580.08 : x - Step 2: Convert to fraction form
3,977,607.62/5,489,230.46 = 2,235,580.08/x - Step 3: Cross multiply
3,977,607.62x = 5,489,230.46 × 2,235,580.08 - Step 4: Simplify right side
3,977,607.62x = 12,271,614,259,727.34 - Step 5: Solve for x
x = 12,271,614,259,727.34/3,977,607.62 - Step 6: Final answer
x = 3,085,174.67
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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.