Finding the Fourth Proportional to 6,213,753.18, 9,316,297.89 and 2,753,608.68
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Solution
The fourth proportional to 6,213,753.18, 9,316,297.89 and 2,753,608.68 is: 4,128,493.36
Step by Step Solution
- Step 1: Write the proportion equation
6,213,753.18 : 9,316,297.89 = 2,753,608.68 : x - Step 2: Convert to fraction form
6,213,753.18/9,316,297.89 = 2,753,608.68/x - Step 3: Cross multiply
6,213,753.18x = 9,316,297.89 × 2,753,608.68 - Step 4: Simplify right side
6,213,753.18x = 25,653,438,735,369.69 - Step 5: Solve for x
x = 25,653,438,735,369.69/6,213,753.18 - Step 6: Final answer
x = 4,128,493.36
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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.