Finding the Fourth Proportional to 1,476,821.70, 2,215,232.55 and 909,951.30
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Solution
The fourth proportional to 1,476,821.70, 2,215,232.55 and 909,951.30 is: 1,364,926.95
Step by Step Solution
- Step 1: Write the proportion equation
1,476,821.70 : 2,215,232.55 = 909,951.30 : x - Step 2: Convert to fraction form
1,476,821.70/2,215,232.55 = 909,951.30/x - Step 3: Cross multiply
1,476,821.70x = 2,215,232.55 × 909,951.30 - Step 4: Simplify right side
1,476,821.70x = 2,015,753,738,674.82 - Step 5: Solve for x
x = 2,015,753,738,674.82/1,476,821.70 - Step 6: Final answer
x = 1,364,926.95
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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.