Finding the Fourth Proportional to 2,408,991.36, 3,612,436.80 and 811,125.12
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Solution
The fourth proportional to 2,408,991.36, 3,612,436.80 and 811,125.12 is: 1,216,334.06
Step by Step Solution
- Step 1: Write the proportion equation
2,408,991.36 : 3,612,436.80 = 811,125.12 : x - Step 2: Convert to fraction form
2,408,991.36/3,612,436.80 = 811,125.12/x - Step 3: Cross multiply
2,408,991.36x = 3,612,436.80 × 811,125.12 - Step 4: Simplify right side
2,408,991.36x = 2,930,138,232,892.42 - Step 5: Solve for x
x = 2,930,138,232,892.42/2,408,991.36 - Step 6: Final answer
x = 1,216,334.06
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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.