Finding the Fourth Proportional to 6,646,198.68, 9,968,412.18 and 1,853,486.58
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Solution
The fourth proportional to 6,646,198.68, 9,968,412.18 and 1,853,486.58 is: 2,779,982.83
Step by Step Solution
- Step 1: Write the proportion equation
6,646,198.68 : 9,968,412.18 = 1,853,486.58 : x - Step 2: Convert to fraction form
6,646,198.68/9,968,412.18 = 1,853,486.58/x - Step 3: Cross multiply
6,646,198.68x = 9,968,412.18 × 1,853,486.58 - Step 4: Simplify right side
6,646,198.68x = 18,476,318,199,538.54 - Step 5: Solve for x
x = 18,476,318,199,538.54/6,646,198.68 - Step 6: Final answer
x = 2,779,982.83
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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.