Finding the Fourth Proportional to 5,237,720.29, 7,856,912.51 and 1,643,629.09
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Solution
The fourth proportional to 5,237,720.29, 7,856,912.51 and 1,643,629.09 is: 2,465,547.84
Step by Step Solution
- Step 1: Write the proportion equation
5,237,720.29 : 7,856,912.51 = 1,643,629.09 : x - Step 2: Convert to fraction form
5,237,720.29/7,856,912.51 = 1,643,629.09/x - Step 3: Cross multiply
5,237,720.29x = 7,856,912.51 × 1,643,629.09 - Step 4: Simplify right side
5,237,720.29x = 12,913,849,959,020.92 - Step 5: Solve for x
x = 12,913,849,959,020.92/5,237,720.29 - Step 6: Final answer
x = 2,465,547.84
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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.