Finding the Fourth Proportional to 1,791,805.75, 2,472,692.07 and 986,989.75
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Solution
The fourth proportional to 1,791,805.75, 2,472,692.07 and 986,989.75 is: 1,362,045.93
Step by Step Solution
- Step 1: Write the proportion equation
1,791,805.75 : 2,472,692.07 = 986,989.75 : x - Step 2: Convert to fraction form
1,791,805.75/2,472,692.07 = 986,989.75/x - Step 3: Cross multiply
1,791,805.75x = 2,472,692.07 × 986,989.75 - Step 4: Simplify right side
1,791,805.75x = 2,440,521,727,996.28 - Step 5: Solve for x
x = 2,440,521,727,996.28/1,791,805.75 - Step 6: Final answer
x = 1,362,045.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.