Finding the Fourth Proportional to 3,168,649.92, 4,372,738 and 1,718,344.88
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Solution
The fourth proportional to 3,168,649.92, 4,372,738 and 1,718,344.88 is: 2,371,316.54
Step by Step Solution
- Step 1: Write the proportion equation
3,168,649.92 : 4,372,738 = 1,718,344.88 : x - Step 2: Convert to fraction form
3,168,649.92/4,372,738 = 1,718,344.88/x - Step 3: Cross multiply
3,168,649.92x = 4,372,738 × 1,718,344.88 - Step 4: Simplify right side
3,168,649.92x = 7,513,871,953,881.44 - Step 5: Solve for x
x = 7,513,871,953,881.44/3,168,649.92 - Step 6: Final answer
x = 2,371,316.54
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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.