Finding the Fourth Proportional to 1,731,121.67, 2,389,614.62 and 1,549,513.19
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Solution
The fourth proportional to 1,731,121.67, 2,389,614.62 and 1,549,513.19 is: 2,138,924.97
Step by Step Solution
- Step 1: Write the proportion equation
1,731,121.67 : 2,389,614.62 = 1,549,513.19 : x - Step 2: Convert to fraction form
1,731,121.67/2,389,614.62 = 1,549,513.19/x - Step 3: Cross multiply
1,731,121.67x = 2,389,614.62 × 1,549,513.19 - Step 4: Simplify right side
1,731,121.67x = 3,702,739,370,933.31 - Step 5: Solve for x
x = 3,702,739,370,933.31/1,731,121.67 - Step 6: Final answer
x = 2,138,924.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.