Finding the Fourth Proportional to 1,690,431.93, 2,529,586.87 and 1,463,508.09
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Solution
The fourth proportional to 1,690,431.93, 2,529,586.87 and 1,463,508.09 is: 2,190,014.74
Step by Step Solution
- Step 1: Write the proportion equation
1,690,431.93 : 2,529,586.87 = 1,463,508.09 : x - Step 2: Convert to fraction form
1,690,431.93/2,529,586.87 = 1,463,508.09/x - Step 3: Cross multiply
1,690,431.93x = 2,529,586.87 × 1,463,508.09 - Step 4: Simplify right side
1,690,431.93x = 3,702,070,844,944.01 - Step 5: Solve for x
x = 3,702,070,844,944.01/1,690,431.93 - Step 6: Final answer
x = 2,190,014.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.