Finding the Fourth Proportional to 1,904,637.09, 2,628,474.99 and 1,045,228.11
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Solution
The fourth proportional to 1,904,637.09, 2,628,474.99 and 1,045,228.11 is: 1,442,456.39
Step by Step Solution
- Step 1: Write the proportion equation
1,904,637.09 : 2,628,474.99 = 1,045,228.11 : x - Step 2: Convert to fraction form
1,904,637.09/2,628,474.99 = 1,045,228.11/x - Step 3: Cross multiply
1,904,637.09x = 2,628,474.99 × 1,045,228.11 - Step 4: Simplify right side
1,904,637.09x = 2,747,355,945,979.97 - Step 5: Solve for x
x = 2,747,355,945,979.97/1,904,637.09 - Step 6: Final answer
x = 1,442,456.39
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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.