Finding the Fourth Proportional to 1,618,328.43, 2,426,717.34 and 764,689.68
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Solution
The fourth proportional to 1,618,328.43, 2,426,717.34 and 764,689.68 is: 1,146,668.17
Step by Step Solution
- Step 1: Write the proportion equation
1,618,328.43 : 2,426,717.34 = 764,689.68 : x - Step 2: Convert to fraction form
1,618,328.43/2,426,717.34 = 764,689.68/x - Step 3: Cross multiply
1,618,328.43x = 2,426,717.34 × 764,689.68 - Step 4: Simplify right side
1,618,328.43x = 1,855,685,706,175.05 - Step 5: Solve for x
x = 1,855,685,706,175.05/1,618,328.43 - Step 6: Final answer
x = 1,146,668.17
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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.