Finding the Fourth Proportional to 2,776,915, 4,159,465.98 and 1,638,450.28
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Solution
The fourth proportional to 2,776,915, 4,159,465.98 and 1,638,450.28 is: 2,454,190.42
Step by Step Solution
- Step 1: Write the proportion equation
2,776,915 : 4,159,465.98 = 1,638,450.28 : x - Step 2: Convert to fraction form
2,776,915/4,159,465.98 = 1,638,450.28/x - Step 3: Cross multiply
2,776,915x = 4,159,465.98 × 1,638,450.28 - Step 4: Simplify right side
2,776,915x = 6,815,078,199,581.48 - Step 5: Solve for x
x = 6,815,078,199,581.48/2,776,915 - Step 6: Final answer
x = 2,454,190.42
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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.