Finding the Fourth Proportional to 1,687,232.96, 2,531,113.37 and 549,731.11
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Solution
The fourth proportional to 1,687,232.96, 2,531,113.37 and 549,731.11 is: 824,682.66
Step by Step Solution
- Step 1: Write the proportion equation
1,687,232.96 : 2,531,113.37 = 549,731.11 : x - Step 2: Convert to fraction form
1,687,232.96/2,531,113.37 = 549,731.11/x - Step 3: Cross multiply
1,687,232.96x = 2,531,113.37 × 549,731.11 - Step 4: Simplify right side
1,687,232.96x = 1,391,431,762,425.94 - Step 5: Solve for x
x = 1,391,431,762,425.94/1,687,232.96 - Step 6: Final answer
x = 824,682.66
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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.