Finding the Fourth Proportional to 1,674,898.40, 2,512,596.69 and 776,431.01
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Solution
The fourth proportional to 1,674,898.40, 2,512,596.69 and 776,431.01 is: 1,164,761.99
Step by Step Solution
- Step 1: Write the proportion equation
1,674,898.40 : 2,512,596.69 = 776,431.01 : x - Step 2: Convert to fraction form
1,674,898.40/2,512,596.69 = 776,431.01/x - Step 3: Cross multiply
1,674,898.40x = 2,512,596.69 × 776,431.01 - Step 4: Simplify right side
1,674,898.40x = 1,950,857,992,020.85 - Step 5: Solve for x
x = 1,950,857,992,020.85/1,674,898.40 - Step 6: Final answer
x = 1,164,761.99
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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.