Finding the Fourth Proportional to 2,751,834.68, 4,128,080.30 and 1,330,869.70
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Solution
The fourth proportional to 2,751,834.68, 4,128,080.30 and 1,330,869.70 is: 1,996,463.32
Step by Step Solution
- Step 1: Write the proportion equation
2,751,834.68 : 4,128,080.30 = 1,330,869.70 : x - Step 2: Convert to fraction form
2,751,834.68/4,128,080.30 = 1,330,869.70/x - Step 3: Cross multiply
2,751,834.68x = 4,128,080.30 × 1,330,869.70 - Step 4: Simplify right side
2,751,834.68x = 5,493,936,990,436.91 - Step 5: Solve for x
x = 5,493,936,990,436.91/2,751,834.68 - Step 6: Final answer
x = 1,996,463.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.