Finding the Fourth Proportional to 3,995,738.40, 5,513,055.84 and 2,276,822.28
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Solution
The fourth proportional to 3,995,738.40, 5,513,055.84 and 2,276,822.28 is: 3,141,408.95
Step by Step Solution
- Step 1: Write the proportion equation
3,995,738.40 : 5,513,055.84 = 2,276,822.28 : x - Step 2: Convert to fraction form
3,995,738.40/5,513,055.84 = 2,276,822.28/x - Step 3: Cross multiply
3,995,738.40x = 5,513,055.84 × 2,276,822.28 - Step 4: Simplify right side
3,995,738.40x = 12,552,248,367,396.11 - Step 5: Solve for x
x = 12,552,248,367,396.11/3,995,738.40 - Step 6: Final answer
x = 3,141,408.95
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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.