Finding the Fourth Proportional to 1,687,492.96, 2,531,502.37 and 549,991.24
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Solution
The fourth proportional to 1,687,492.96, 2,531,502.37 and 549,991.24 is: 825,072.55
Step by Step Solution
- Step 1: Write the proportion equation
1,687,492.96 : 2,531,502.37 = 549,991.24 : x - Step 2: Convert to fraction form
1,687,492.96/2,531,502.37 = 549,991.24/x - Step 3: Cross multiply
1,687,492.96x = 2,531,502.37 × 549,991.24 - Step 4: Simplify right side
1,687,492.96x = 1,392,304,127,539.24 - Step 5: Solve for x
x = 1,392,304,127,539.24/1,687,492.96 - Step 6: Final answer
x = 825,072.55
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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.