Finding the Fourth Proportional to 4,342,969.87, 6,515,455.62 and 1,503,082.06
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Solution
The fourth proportional to 4,342,969.87, 6,515,455.62 and 1,503,082.06 is: 2,254,969.47
Step by Step Solution
- Step 1: Write the proportion equation
4,342,969.87 : 6,515,455.62 = 1,503,082.06 : x - Step 2: Convert to fraction form
4,342,969.87/6,515,455.62 = 1,503,082.06/x - Step 3: Cross multiply
4,342,969.87x = 6,515,455.62 × 1,503,082.06 - Step 4: Simplify right side
4,342,969.87x = 9,793,264,455,148.18 - Step 5: Solve for x
x = 9,793,264,455,148.18/4,342,969.87 - Step 6: Final answer
x = 2,254,969.47
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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.