Finding the Fourth Proportional to 1,900,673.55, 2,622,929.36 and 1,136,727.09
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Solution
The fourth proportional to 1,900,673.55, 2,622,929.36 and 1,136,727.09 is: 1,568,683.30
Step by Step Solution
- Step 1: Write the proportion equation
1,900,673.55 : 2,622,929.36 = 1,136,727.09 : x - Step 2: Convert to fraction form
1,900,673.55/2,622,929.36 = 1,136,727.09/x - Step 3: Cross multiply
1,900,673.55x = 2,622,929.36 × 1,136,727.09 - Step 4: Simplify right side
1,900,673.55x = 2,981,554,852,984.73 - Step 5: Solve for x
x = 2,981,554,852,984.73/1,900,673.55 - Step 6: Final answer
x = 1,568,683.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.