Finding the Fourth Proportional to 2,472,047.18, 3,411,639.72 and 1,384,298.99
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Solution
The fourth proportional to 2,472,047.18, 3,411,639.72 and 1,384,298.99 is: 1,910,452.78
Step by Step Solution
- Step 1: Write the proportion equation
2,472,047.18 : 3,411,639.72 = 1,384,298.99 : x - Step 2: Convert to fraction form
2,472,047.18/3,411,639.72 = 1,384,298.99/x - Step 3: Cross multiply
2,472,047.18x = 3,411,639.72 × 1,384,298.99 - Step 4: Simplify right side
2,472,047.18x = 4,722,729,401,581.68 - Step 5: Solve for x
x = 4,722,729,401,581.68/2,472,047.18 - Step 6: Final answer
x = 1,910,452.78
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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.