Finding the Fourth Proportional to 1,925,611.40, 2,657,426.82 and 1,066,171.70
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Solution
The fourth proportional to 1,925,611.40, 2,657,426.82 and 1,066,171.70 is: 1,471,362.95
Step by Step Solution
- Step 1: Write the proportion equation
1,925,611.40 : 2,657,426.82 = 1,066,171.70 : x - Step 2: Convert to fraction form
1,925,611.40/2,657,426.82 = 1,066,171.70/x - Step 3: Cross multiply
1,925,611.40x = 2,657,426.82 × 1,066,171.70 - Step 4: Simplify right side
1,925,611.40x = 2,833,273,270,304.99 - Step 5: Solve for x
x = 2,833,273,270,304.99/1,925,611.40 - Step 6: Final answer
x = 1,471,362.95
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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.