Finding the Fourth Proportional to 1,670,753.99, 2,305,578.84 and 906,791.15
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Solution
The fourth proportional to 1,670,753.99, 2,305,578.84 and 906,791.15 is: 1,251,338.32
Step by Step Solution
- Step 1: Write the proportion equation
1,670,753.99 : 2,305,578.84 = 906,791.15 : x - Step 2: Convert to fraction form
1,670,753.99/2,305,578.84 = 906,791.15/x - Step 3: Cross multiply
1,670,753.99x = 2,305,578.84 × 906,791.15 - Step 4: Simplify right side
1,670,753.99x = 2,090,678,490,102.75 - Step 5: Solve for x
x = 2,090,678,490,102.75/1,670,753.99 - Step 6: Final answer
x = 1,251,338.32
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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.