Finding the Fourth Proportional to 4,616,445.20, 6,919,138.20 and 2,371,427.60
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Solution
The fourth proportional to 4,616,445.20, 6,919,138.20 and 2,371,427.60 is: 3,554,300.89
Step by Step Solution
- Step 1: Write the proportion equation
4,616,445.20 : 6,919,138.20 = 2,371,427.60 : x - Step 2: Convert to fraction form
4,616,445.20/6,919,138.20 = 2,371,427.60/x - Step 3: Cross multiply
4,616,445.20x = 6,919,138.20 × 2,371,427.60 - Step 4: Simplify right side
4,616,445.20x = 16,408,235,295,694.32 - Step 5: Solve for x
x = 16,408,235,295,694.32/4,616,445.20 - Step 6: Final answer
x = 3,554,300.89
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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.