Finding the Fourth Proportional to 1,821,280.61, 2,731,444.91 and 541,543.44
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Solution
The fourth proportional to 1,821,280.61, 2,731,444.91 and 541,543.44 is: 812,173.62
Step by Step Solution
- Step 1: Write the proportion equation
1,821,280.61 : 2,731,444.91 = 541,543.44 : x - Step 2: Convert to fraction form
1,821,280.61/2,731,444.91 = 541,543.44/x - Step 3: Cross multiply
1,821,280.61x = 2,731,444.91 × 541,543.44 - Step 4: Simplify right side
1,821,280.61x = 1,479,196,070,024.17 - Step 5: Solve for x
x = 1,479,196,070,024.17/1,821,280.61 - Step 6: Final answer
x = 812,173.62
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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.