Finding the Fourth Proportional to 5,651,843.64, 7,799,748.84 and 3,237,862.20
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Solution
The fourth proportional to 5,651,843.64, 7,799,748.84 and 3,237,862.20 is: 4,468,367.06
Step by Step Solution
- Step 1: Write the proportion equation
5,651,843.64 : 7,799,748.84 = 3,237,862.20 : x - Step 2: Convert to fraction form
5,651,843.64/7,799,748.84 = 3,237,862.20/x - Step 3: Cross multiply
5,651,843.64x = 7,799,748.84 × 3,237,862.20 - Step 4: Simplify right side
5,651,843.64x = 25,254,511,938,529.85 - Step 5: Solve for x
x = 25,254,511,938,529.85/5,651,843.64 - Step 6: Final answer
x = 4,468,367.06
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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.