Finding the Fourth Proportional to 4,197,612.38, 6,297,518.34 and 1,318,862.93
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Solution
The fourth proportional to 4,197,612.38, 6,297,518.34 and 1,318,862.93 is: 1,978,639.93
Step by Step Solution
- Step 1: Write the proportion equation
4,197,612.38 : 6,297,518.34 = 1,318,862.93 : x - Step 2: Convert to fraction form
4,197,612.38/6,297,518.34 = 1,318,862.93/x - Step 3: Cross multiply
4,197,612.38x = 6,297,518.34 × 1,318,862.93 - Step 4: Simplify right side
4,197,612.38x = 8,305,563,458,133.55 - Step 5: Solve for x
x = 8,305,563,458,133.55/4,197,612.38 - Step 6: Final answer
x = 1,978,639.93
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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.