Finding the Fourth Proportional to 4,231,254.40, 6,346,233.60 and 1,391,372.80
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Solution
The fourth proportional to 4,231,254.40, 6,346,233.60 and 1,391,372.80 is: 2,086,846.12
Step by Step Solution
- Step 1: Write the proportion equation
4,231,254.40 : 6,346,233.60 = 1,391,372.80 : x - Step 2: Convert to fraction form
4,231,254.40/6,346,233.60 = 1,391,372.80/x - Step 3: Cross multiply
4,231,254.40x = 6,346,233.60 × 1,391,372.80 - Step 4: Simplify right side
4,231,254.40x = 8,829,976,813,486.08 - Step 5: Solve for x
x = 8,829,976,813,486.08/4,231,254.40 - Step 6: Final answer
x = 2,086,846.12
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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.