Finding the Fourth Proportional to 5,402,847.45, 8,104,838.75 and 1,759,861.21
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Solution
The fourth proportional to 5,402,847.45, 8,104,838.75 and 1,759,861.21 is: 2,639,976.69
Step by Step Solution
- Step 1: Write the proportion equation
5,402,847.45 : 8,104,838.75 = 1,759,861.21 : x - Step 2: Convert to fraction form
5,402,847.45/8,104,838.75 = 1,759,861.21/x - Step 3: Cross multiply
5,402,847.45x = 8,104,838.75 × 1,759,861.21 - Step 4: Simplify right side
5,402,847.45x = 14,263,391,340,892.68 - Step 5: Solve for x
x = 14,263,391,340,892.68/5,402,847.45 - Step 6: Final answer
x = 2,639,976.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.