Finding the Fourth Proportional to 4,129,277.70, 6,193,916.55 and 1,137,461.70
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Solution
The fourth proportional to 4,129,277.70, 6,193,916.55 and 1,137,461.70 is: 1,706,192.55
Step by Step Solution
- Step 1: Write the proportion equation
4,129,277.70 : 6,193,916.55 = 1,137,461.70 : x - Step 2: Convert to fraction form
4,129,277.70/6,193,916.55 = 1,137,461.70/x - Step 3: Cross multiply
4,129,277.70x = 6,193,916.55 × 1,137,461.70 - Step 4: Simplify right side
4,129,277.70x = 7,045,342,848,621.14 - Step 5: Solve for x
x = 7,045,342,848,621.14/4,129,277.70 - Step 6: Final answer
x = 1,706,192.55
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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.