Finding the Fourth Proportional to 5,199,824.88, 7,175,733.84 and 2,907,994.68
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Solution
The fourth proportional to 5,199,824.88, 7,175,733.84 and 2,907,994.68 is: 4,013,018.96
Step by Step Solution
- Step 1: Write the proportion equation
5,199,824.88 : 7,175,733.84 = 2,907,994.68 : x - Step 2: Convert to fraction form
5,199,824.88/7,175,733.84 = 2,907,994.68/x - Step 3: Cross multiply
5,199,824.88x = 7,175,733.84 × 2,907,994.68 - Step 4: Simplify right side
5,199,824.88x = 20,866,995,831,815.97 - Step 5: Solve for x
x = 20,866,995,831,815.97/5,199,824.88 - Step 6: Final answer
x = 4,013,018.96
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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.