Finding the Fourth Proportional to 1,727,702.30, 2,591,553.45 and 828,991.10
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Solution
The fourth proportional to 1,727,702.30, 2,591,553.45 and 828,991.10 is: 1,243,486.65
Step by Step Solution
- Step 1: Write the proportion equation
1,727,702.30 : 2,591,553.45 = 828,991.10 : x - Step 2: Convert to fraction form
1,727,702.30/2,591,553.45 = 828,991.10/x - Step 3: Cross multiply
1,727,702.30x = 2,591,553.45 × 828,991.10 - Step 4: Simplify right side
1,727,702.30x = 2,148,374,745,224.30 - Step 5: Solve for x
x = 2,148,374,745,224.30/1,727,702.30 - Step 6: Final answer
x = 1,243,486.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.