Finding the Fourth Proportional to 1,921,668.24, 2,882,621.22 and 642,390.82
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Solution
The fourth proportional to 1,921,668.24, 2,882,621.22 and 642,390.82 is: 963,625.96
Step by Step Solution
- Step 1: Write the proportion equation
1,921,668.24 : 2,882,621.22 = 642,390.82 : x - Step 2: Convert to fraction form
1,921,668.24/2,882,621.22 = 642,390.82/x - Step 3: Cross multiply
1,921,668.24x = 2,882,621.22 × 642,390.82 - Step 4: Simplify right side
1,921,668.24x = 1,851,769,409,265.20 - Step 5: Solve for x
x = 1,851,769,409,265.20/1,921,668.24 - Step 6: Final answer
x = 963,625.96
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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.