Finding the Fourth Proportional to 5,072,392.05, 6,999,153.81 and 3,084,513.62
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Solution
The fourth proportional to 5,072,392.05, 6,999,153.81 and 3,084,513.62 is: 4,256,174.41
Step by Step Solution
- Step 1: Write the proportion equation
5,072,392.05 : 6,999,153.81 = 3,084,513.62 : x - Step 2: Convert to fraction form
5,072,392.05/6,999,153.81 = 3,084,513.62/x - Step 3: Cross multiply
5,072,392.05x = 6,999,153.81 × 3,084,513.62 - Step 4: Simplify right side
5,072,392.05x = 21,588,985,220,424.12 - Step 5: Solve for x
x = 21,588,985,220,424.12/5,072,392.05 - Step 6: Final answer
x = 4,256,174.41
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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.