Finding the Fourth Proportional to 2,805,296.62, 3,871,115.04 and 1,581,645.82
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Solution
The fourth proportional to 2,805,296.62, 3,871,115.04 and 1,581,645.82 is: 2,182,561.69
Step by Step Solution
- Step 1: Write the proportion equation
2,805,296.62 : 3,871,115.04 = 1,581,645.82 : x - Step 2: Convert to fraction form
2,805,296.62/3,871,115.04 = 1,581,645.82/x - Step 3: Cross multiply
2,805,296.62x = 3,871,115.04 × 1,581,645.82 - Step 4: Simplify right side
2,805,296.62x = 6,122,732,921,755.13 - Step 5: Solve for x
x = 6,122,732,921,755.13/2,805,296.62 - Step 6: Final answer
x = 2,182,561.69
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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.