Finding the Fourth Proportional to 1,928,160.24, 2,660,674.20 and 1,068,702.96
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Solution
The fourth proportional to 1,928,160.24, 2,660,674.20 and 1,068,702.96 is: 1,474,706.48
Step by Step Solution
- Step 1: Write the proportion equation
1,928,160.24 : 2,660,674.20 = 1,068,702.96 : x - Step 2: Convert to fraction form
1,928,160.24/2,660,674.20 = 1,068,702.96/x - Step 3: Cross multiply
1,928,160.24x = 2,660,674.20 × 1,068,702.96 - Step 4: Simplify right side
1,928,160.24x = 2,843,470,393,135.63 - Step 5: Solve for x
x = 2,843,470,393,135.63/1,928,160.24 - Step 6: Final answer
x = 1,474,706.48
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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.