Finding the Fourth Proportional to 1,687,230.96, 2,531,110.37 and 549,729.11
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Solution
The fourth proportional to 1,687,230.96, 2,531,110.37 and 549,729.11 is: 824,679.65
Step by Step Solution
- Step 1: Write the proportion equation
1,687,230.96 : 2,531,110.37 = 549,729.11 : x - Step 2: Convert to fraction form
1,687,230.96/2,531,110.37 = 549,729.11/x - Step 3: Cross multiply
1,687,230.96x = 2,531,110.37 × 549,729.11 - Step 4: Simplify right side
1,687,230.96x = 1,391,425,035,607.67 - Step 5: Solve for x
x = 1,391,425,035,607.67/1,687,230.96 - Step 6: Final answer
x = 824,679.65
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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.