Finding the Fourth Proportional to 6,432,486.01, 8,876,769.35 and 3,531,851.51
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Solution
The fourth proportional to 6,432,486.01, 8,876,769.35 and 3,531,851.51 is: 4,873,921.39
Step by Step Solution
- Step 1: Write the proportion equation
6,432,486.01 : 8,876,769.35 = 3,531,851.51 : x - Step 2: Convert to fraction form
6,432,486.01/8,876,769.35 = 3,531,851.51/x - Step 3: Cross multiply
6,432,486.01x = 8,876,769.35 × 3,531,851.51 - Step 4: Simplify right side
6,432,486.01x = 31,351,431,170,676.12 - Step 5: Solve for x
x = 31,351,431,170,676.12/6,432,486.01 - Step 6: Final answer
x = 4,873,921.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.