Finding the Fourth Proportional to 1,916,236.81, 2,874,355.62 and 779,617.54
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Solution
The fourth proportional to 1,916,236.81, 2,874,355.62 and 779,617.54 is: 1,169,426.47
Step by Step Solution
- Step 1: Write the proportion equation
1,916,236.81 : 2,874,355.62 = 779,617.54 : x - Step 2: Convert to fraction form
1,916,236.81/2,874,355.62 = 779,617.54/x - Step 3: Cross multiply
1,916,236.81x = 2,874,355.62 × 779,617.54 - Step 4: Simplify right side
1,916,236.81x = 2,240,898,057,549.58 - Step 5: Solve for x
x = 2,240,898,057,549.58/1,916,236.81 - Step 6: Final answer
x = 1,169,426.47
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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.