Finding the Fourth Proportional to 3,208,291.41, 4,812,440.65 and 812,135.84
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Solution
The fourth proportional to 3,208,291.41, 4,812,440.65 and 812,135.84 is: 1,218,204.66
Step by Step Solution
- Step 1: Write the proportion equation
3,208,291.41 : 4,812,440.65 = 812,135.84 : x - Step 2: Convert to fraction form
3,208,291.41/4,812,440.65 = 812,135.84/x - Step 3: Cross multiply
3,208,291.41x = 4,812,440.65 × 812,135.84 - Step 4: Simplify right side
3,208,291.41x = 3,908,355,544,250.32 - Step 5: Solve for x
x = 3,908,355,544,250.32/3,208,291.41 - Step 6: Final answer
x = 1,218,204.66
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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.