Finding the Fourth Proportional to 5,329,836.12, 7,994,755.55 and 1,492,223.92
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Solution
The fourth proportional to 5,329,836.12, 7,994,755.55 and 1,492,223.92 is: 2,238,336.26
Step by Step Solution
- Step 1: Write the proportion equation
5,329,836.12 : 7,994,755.55 = 1,492,223.92 : x - Step 2: Convert to fraction form
5,329,836.12/7,994,755.55 = 1,492,223.92/x - Step 3: Cross multiply
5,329,836.12x = 7,994,755.55 × 1,492,223.92 - Step 4: Simplify right side
5,329,836.12x = 11,929,965,444,410.59 - Step 5: Solve for x
x = 11,929,965,444,410.59/5,329,836.12 - Step 6: Final answer
x = 2,238,336.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.