Finding the Fourth Proportional to 7,541,579.82, 10,407,615.36 and 4,278,532.08
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Solution
The fourth proportional to 7,541,579.82, 10,407,615.36 and 4,278,532.08 is: 5,904,507.71
Step by Step Solution
- Step 1: Write the proportion equation
7,541,579.82 : 10,407,615.36 = 4,278,532.08 : x - Step 2: Convert to fraction form
7,541,579.82/10,407,615.36 = 4,278,532.08/x - Step 3: Cross multiply
7,541,579.82x = 10,407,615.36 × 4,278,532.08 - Step 4: Simplify right side
7,541,579.82x = 44,529,316,194,060.75 - Step 5: Solve for x
x = 44,529,316,194,060.75/7,541,579.82 - Step 6: Final answer
x = 5,904,507.71
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1.5x scale
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.