Finding the Fourth Proportional to 4,677,643.22, 6,454,954.62 and 2,612,649.27
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Solution
The fourth proportional to 4,677,643.22, 6,454,954.62 and 2,612,649.27 is: 3,605,348.18
Step by Step Solution
- Step 1: Write the proportion equation
4,677,643.22 : 6,454,954.62 = 2,612,649.27 : x - Step 2: Convert to fraction form
4,677,643.22/6,454,954.62 = 2,612,649.27/x - Step 3: Cross multiply
4,677,643.22x = 6,454,954.62 × 2,612,649.27 - Step 4: Simplify right side
4,677,643.22x = 16,864,532,475,826.13 - Step 5: Solve for x
x = 16,864,532,475,826.13/4,677,643.22 - Step 6: Final answer
x = 3,605,348.18
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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.