Finding the Fourth Proportional to 1,683,115.85, 2,528,410.47 and 1,043,891.97
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Solution
The fourth proportional to 1,683,115.85, 2,528,410.47 and 1,043,891.97 is: 1,568,155.51
Step by Step Solution
- Step 1: Write the proportion equation
1,683,115.85 : 2,528,410.47 = 1,043,891.97 : x - Step 2: Convert to fraction form
1,683,115.85/2,528,410.47 = 1,043,891.97/x - Step 3: Cross multiply
1,683,115.85x = 2,528,410.47 × 1,043,891.97 - Step 4: Simplify right side
1,683,115.85x = 2,639,387,386,496.93 - Step 5: Solve for x
x = 2,639,387,386,496.93/1,683,115.85 - Step 6: Final answer
x = 1,568,155.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.