Finding the Fourth Proportional to 1,855,683.68, 2,560,906.51 and 1,770,653.12
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Solution
The fourth proportional to 1,855,683.68, 2,560,906.51 and 1,770,653.12 is: 2,443,561.45
Step by Step Solution
- Step 1: Write the proportion equation
1,855,683.68 : 2,560,906.51 = 1,770,653.12 : x - Step 2: Convert to fraction form
1,855,683.68/2,560,906.51 = 1,770,653.12/x - Step 3: Cross multiply
1,855,683.68x = 2,560,906.51 × 1,770,653.12 - Step 4: Simplify right side
1,855,683.68x = 4,534,477,084,728.65 - Step 5: Solve for x
x = 4,534,477,084,728.65/1,855,683.68 - Step 6: Final answer
x = 2,443,561.45
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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.