Finding the Fourth Proportional to 1,452,120.29, 2,178,317.03 and 427,451.24
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Solution
The fourth proportional to 1,452,120.29, 2,178,317.03 and 427,451.24 is: 641,217.07
Step by Step Solution
- Step 1: Write the proportion equation
1,452,120.29 : 2,178,317.03 = 427,451.24 : x - Step 2: Convert to fraction form
1,452,120.29/2,178,317.03 = 427,451.24/x - Step 3: Cross multiply
1,452,120.29x = 2,178,317.03 × 427,451.24 - Step 4: Simplify right side
1,452,120.29x = 931,124,315,586.62 - Step 5: Solve for x
x = 931,124,315,586.62/1,452,120.29 - Step 6: Final answer
x = 641,217.07
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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.