Finding the Fourth Proportional to 4,192,192.32, 6,283,803.77 and 2,168,398.73
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Solution
The fourth proportional to 4,192,192.32, 6,283,803.77 and 2,168,398.73 is: 3,250,278.38
Step by Step Solution
- Step 1: Write the proportion equation
4,192,192.32 : 6,283,803.77 = 2,168,398.73 : x - Step 2: Convert to fraction form
4,192,192.32/6,283,803.77 = 2,168,398.73/x - Step 3: Cross multiply
4,192,192.32x = 6,283,803.77 × 2,168,398.73 - Step 4: Simplify right side
4,192,192.32x = 13,625,792,072,176.20 - Step 5: Solve for x
x = 13,625,792,072,176.20/4,192,192.32 - Step 6: Final answer
x = 3,250,278.38
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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.