Finding the Fourth Proportional to 3,208,863.17, 4,812,027.02 and 1,019,645.49
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Solution
The fourth proportional to 3,208,863.17, 4,812,027.02 and 1,019,645.49 is: 1,529,065.40
Step by Step Solution
- Step 1: Write the proportion equation
3,208,863.17 : 4,812,027.02 = 1,019,645.49 : x - Step 2: Convert to fraction form
3,208,863.17/4,812,027.02 = 1,019,645.49/x - Step 3: Cross multiply
3,208,863.17x = 4,812,027.02 × 1,019,645.49 - Step 4: Simplify right side
3,208,863.17x = 4,906,561,643,602.91 - Step 5: Solve for x
x = 4,906,561,643,602.91/3,208,863.17 - Step 6: Final answer
x = 1,529,065.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.