Finding the Fourth Proportional to 3,688,734.08, 5,088,715.68 and 2,399,103.92
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Solution
The fourth proportional to 3,688,734.08, 5,088,715.68 and 2,399,103.92 is: 3,309,633.46
Step by Step Solution
- Step 1: Write the proportion equation
3,688,734.08 : 5,088,715.68 = 2,399,103.92 : x - Step 2: Convert to fraction form
3,688,734.08/5,088,715.68 = 2,399,103.92/x - Step 3: Cross multiply
3,688,734.08x = 5,088,715.68 × 2,399,103.92 - Step 4: Simplify right side
3,688,734.08x = 12,208,357,735,653.46 - Step 5: Solve for x
x = 12,208,357,735,653.46/3,688,734.08 - Step 6: Final answer
x = 3,309,633.46
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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.