Finding the Fourth Proportional to 5,132,622.18, 7,082,904.66 and 2,809,513.02
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Solution
The fourth proportional to 5,132,622.18, 7,082,904.66 and 2,809,513.02 is: 3,877,065.59
Step by Step Solution
- Step 1: Write the proportion equation
5,132,622.18 : 7,082,904.66 = 2,809,513.02 : x - Step 2: Convert to fraction form
5,132,622.18/7,082,904.66 = 2,809,513.02/x - Step 3: Cross multiply
5,132,622.18x = 7,082,904.66 × 2,809,513.02 - Step 4: Simplify right side
5,132,622.18x = 19,899,512,861,688.67 - Step 5: Solve for x
x = 19,899,512,861,688.67/5,132,622.18 - Step 6: Final answer
x = 3,877,065.59
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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.