Finding the Fourth Proportional to 2,312,121.12, 3,468,116.64 and 629,239.20
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Solution
The fourth proportional to 2,312,121.12, 3,468,116.64 and 629,239.20 is: 943,841.10
Step by Step Solution
- Step 1: Write the proportion equation
2,312,121.12 : 3,468,116.64 = 629,239.20 : x - Step 2: Convert to fraction form
2,312,121.12/3,468,116.64 = 629,239.20/x - Step 3: Cross multiply
2,312,121.12x = 3,468,116.64 × 629,239.20 - Step 4: Simplify right side
2,312,121.12x = 2,182,274,940,060.29 - Step 5: Solve for x
x = 2,182,274,940,060.29/2,312,121.12 - Step 6: Final answer
x = 943,841.10
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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.