Finding the Fourth Proportional to 4,318,725.92, 6,478,070.42 and 1,759,370.04
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Solution
The fourth proportional to 4,318,725.92, 6,478,070.42 and 1,759,370.04 is: 2,639,047.54
Step by Step Solution
- Step 1: Write the proportion equation
4,318,725.92 : 6,478,070.42 = 1,759,370.04 : x - Step 2: Convert to fraction form
4,318,725.92/6,478,070.42 = 1,759,370.04/x - Step 3: Cross multiply
4,318,725.92x = 6,478,070.42 × 1,759,370.04 - Step 4: Simplify right side
4,318,725.92x = 11,397,323,013,958.22 - Step 5: Solve for x
x = 11,397,323,013,958.22/4,318,725.92 - Step 6: Final answer
x = 2,639,047.54
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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.