Finding the Fourth Proportional to 3,414,894.40, 5,118,842.40 and 1,994,219.20
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Solution
The fourth proportional to 3,414,894.40, 5,118,842.40 and 1,994,219.20 is: 2,989,285.35
Step by Step Solution
- Step 1: Write the proportion equation
3,414,894.40 : 5,118,842.40 = 1,994,219.20 : x - Step 2: Convert to fraction form
3,414,894.40/5,118,842.40 = 1,994,219.20/x - Step 3: Cross multiply
3,414,894.40x = 5,118,842.40 × 1,994,219.20 - Step 4: Simplify right side
3,414,894.40x = 10,208,093,795,854.08 - Step 5: Solve for x
x = 10,208,093,795,854.08/3,414,894.40 - Step 6: Final answer
x = 2,989,285.35
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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.