Finding the Fourth Proportional to 1,520,113.68, 2,097,550.19 and 908,136.92
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Solution
The fourth proportional to 1,520,113.68, 2,097,550.19 and 908,136.92 is: 1,253,105.48
Step by Step Solution
- Step 1: Write the proportion equation
1,520,113.68 : 2,097,550.19 = 908,136.92 : x - Step 2: Convert to fraction form
1,520,113.68/2,097,550.19 = 908,136.92/x - Step 3: Cross multiply
1,520,113.68x = 2,097,550.19 × 908,136.92 - Step 4: Simplify right side
1,520,113.68x = 1,904,862,776,606.23 - Step 5: Solve for x
x = 1,904,862,776,606.23/1,520,113.68 - Step 6: Final answer
x = 1,253,105.48
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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.