Finding the Fourth Proportional to 3,806,649.60, 5,253,202.36 and 2,087,782.42
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Solution
The fourth proportional to 3,806,649.60, 5,253,202.36 and 2,087,782.42 is: 2,881,153.95
Step by Step Solution
- Step 1: Write the proportion equation
3,806,649.60 : 5,253,202.36 = 2,087,782.42 : x - Step 2: Convert to fraction form
3,806,649.60/5,253,202.36 = 2,087,782.42/x - Step 3: Cross multiply
3,806,649.60x = 5,253,202.36 × 2,087,782.42 - Step 4: Simplify right side
3,806,649.60x = 10,967,543,523,398.20 - Step 5: Solve for x
x = 10,967,543,523,398.20/3,806,649.60 - Step 6: Final answer
x = 2,881,153.95
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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.