Finding the Fourth Proportional to 1,989,732.08, 2,985,179.49 and 641,864.94
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Solution
The fourth proportional to 1,989,732.08, 2,985,179.49 and 641,864.94 is: 962,984.96
Step by Step Solution
- Step 1: Write the proportion equation
1,989,732.08 : 2,985,179.49 = 641,864.94 : x - Step 2: Convert to fraction form
1,989,732.08/2,985,179.49 = 641,864.94/x - Step 3: Cross multiply
1,989,732.08x = 2,985,179.49 × 641,864.94 - Step 4: Simplify right side
1,989,732.08x = 1,916,082,054,238.08 - Step 5: Solve for x
x = 1,916,082,054,238.08/1,989,732.08 - Step 6: Final answer
x = 962,984.96
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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.