Finding the Fourth Proportional to 3,627,043.49, 5,005,320.01 and 1,995,415.94
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Solution
The fourth proportional to 3,627,043.49, 5,005,320.01 and 1,995,415.94 is: 2,753,673.99
Step by Step Solution
- Step 1: Write the proportion equation
3,627,043.49 : 5,005,320.01 = 1,995,415.94 : x - Step 2: Convert to fraction form
3,627,043.49/5,005,320.01 = 1,995,415.94/x - Step 3: Cross multiply
3,627,043.49x = 5,005,320.01 × 1,995,415.94 - Step 4: Simplify right side
3,627,043.49x = 9,987,695,340,279.72 - Step 5: Solve for x
x = 9,987,695,340,279.72/3,627,043.49 - Step 6: Final answer
x = 2,753,673.99
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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.