Finding the Fourth Proportional to 3,958,444.22, 5,462,192.68 and 2,216,211.98
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Solution
The fourth proportional to 3,958,444.22, 5,462,192.68 and 2,216,211.98 is: 3,058,114.80
Step by Step Solution
- Step 1: Write the proportion equation
3,958,444.22 : 5,462,192.68 = 2,216,211.98 : x - Step 2: Convert to fraction form
3,958,444.22/5,462,192.68 = 2,216,211.98/x - Step 3: Cross multiply
3,958,444.22x = 5,462,192.68 × 2,216,211.98 - Step 4: Simplify right side
3,958,444.22x = 12,105,376,821,632.81 - Step 5: Solve for x
x = 12,105,376,821,632.81/3,958,444.22 - Step 6: Final answer
x = 3,058,114.80
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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.