Finding the Fourth Proportional to 5,136,226.19, 7,702,522.15 and 1,492,198.12
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Solution
The fourth proportional to 5,136,226.19, 7,702,522.15 and 1,492,198.12 is: 2,237,769.26
Step by Step Solution
- Step 1: Write the proportion equation
5,136,226.19 : 7,702,522.15 = 1,492,198.12 : x - Step 2: Convert to fraction form
5,136,226.19/7,702,522.15 = 1,492,198.12/x - Step 3: Cross multiply
5,136,226.19x = 7,702,522.15 × 1,492,198.12 - Step 4: Simplify right side
5,136,226.19x = 11,493,689,071,488.36 - Step 5: Solve for x
x = 11,493,689,071,488.36/5,136,226.19 - Step 6: Final answer
x = 2,237,769.26
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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.