Finding the Fourth Proportional to 5,072,153.58, 7,590,270.70 and 3,153,968.08
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Solution
The fourth proportional to 5,072,153.58, 7,590,270.70 and 3,153,968.08 is: 4,719,784.43
Step by Step Solution
- Step 1: Write the proportion equation
5,072,153.58 : 7,590,270.70 = 3,153,968.08 : x - Step 2: Convert to fraction form
5,072,153.58/7,590,270.70 = 3,153,968.08/x - Step 3: Cross multiply
5,072,153.58x = 7,590,270.70 × 3,153,968.08 - Step 4: Simplify right side
5,072,153.58x = 23,939,471,473,584.97 - Step 5: Solve for x
x = 23,939,471,473,584.97/5,072,153.58 - Step 6: Final answer
x = 4,719,784.43
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1.5x scale
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.