Finding the Fourth Proportional to 2,531,653.83, 3,493,771.10 and 1,385,735.08
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Solution
The fourth proportional to 2,531,653.83, 3,493,771.10 and 1,385,735.08 is: 1,912,363.02
Step by Step Solution
- Step 1: Write the proportion equation
2,531,653.83 : 3,493,771.10 = 1,385,735.08 : x - Step 2: Convert to fraction form
2,531,653.83/3,493,771.10 = 1,385,735.08/x - Step 3: Cross multiply
2,531,653.83x = 3,493,771.10 × 1,385,735.08 - Step 4: Simplify right side
2,531,653.83x = 4,841,441,174,760.19 - Step 5: Solve for x
x = 4,841,441,174,760.19/2,531,653.83 - Step 6: Final answer
x = 1,912,363.02
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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.