Finding the Fourth Proportional to 3,129,938.16, 4,696,651.64 and 1,690,592.52
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Solution
The fourth proportional to 3,129,938.16, 4,696,651.64 and 1,690,592.52 is: 2,536,830.99
Step by Step Solution
- Step 1: Write the proportion equation
3,129,938.16 : 4,696,651.64 = 1,690,592.52 : x - Step 2: Convert to fraction form
3,129,938.16/4,696,651.64 = 1,690,592.52/x - Step 3: Cross multiply
3,129,938.16x = 4,696,651.64 × 1,690,592.52 - Step 4: Simplify right side
3,129,938.16x = 7,940,124,131,629.73 - Step 5: Solve for x
x = 7,940,124,131,629.73/3,129,938.16 - Step 6: Final answer
x = 2,536,830.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.