Finding the Fourth Proportional to 3,368,082.53, 4,647,955.58 and 1,819,344.13
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Solution
The fourth proportional to 3,368,082.53, 4,647,955.58 and 1,819,344.13 is: 2,510,695.81
Step by Step Solution
- Step 1: Write the proportion equation
3,368,082.53 : 4,647,955.58 = 1,819,344.13 : x - Step 2: Convert to fraction form
3,368,082.53/4,647,955.58 = 1,819,344.13/x - Step 3: Cross multiply
3,368,082.53x = 4,647,955.58 × 1,819,344.13 - Step 4: Simplify right side
3,368,082.53x = 8,456,230,697,313.49 - Step 5: Solve for x
x = 8,456,230,697,313.49/3,368,082.53 - Step 6: Final answer
x = 2,510,695.81
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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.