Finding the Fourth Proportional to 3,995,742.40, 5,513,061.36 and 2,276,826.28
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Solution
The fourth proportional to 3,995,742.40, 5,513,061.36 and 2,276,826.28 is: 3,141,414.47
Step by Step Solution
- Step 1: Write the proportion equation
3,995,742.40 : 5,513,061.36 = 2,276,826.28 : x - Step 2: Convert to fraction form
3,995,742.40/5,513,061.36 = 2,276,826.28/x - Step 3: Cross multiply
3,995,742.40x = 5,513,061.36 × 2,276,826.28 - Step 4: Simplify right side
3,995,742.40x = 12,552,282,987,700.54 - Step 5: Solve for x
x = 12,552,282,987,700.54/3,995,742.40 - Step 6: Final answer
x = 3,141,414.47
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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.