Finding the Fourth Proportional to 2,815,051.44, 4,222,518.12 and 685,147.44
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Solution
The fourth proportional to 2,815,051.44, 4,222,518.12 and 685,147.44 is: 1,027,706.79
Step by Step Solution
- Step 1: Write the proportion equation
2,815,051.44 : 4,222,518.12 = 685,147.44 : x - Step 2: Convert to fraction form
2,815,051.44/4,222,518.12 = 685,147.44/x - Step 3: Cross multiply
2,815,051.44x = 4,222,518.12 × 685,147.44 - Step 4: Simplify right side
2,815,051.44x = 2,893,047,480,271.61 - Step 5: Solve for x
x = 2,893,047,480,271.61/2,815,051.44 - Step 6: Final answer
x = 1,027,706.79
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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.