Finding the Fourth Proportional to 5,294,388.84, 7,938,570.14 and 3,613,528.68
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Solution
The fourth proportional to 5,294,388.84, 7,938,570.14 and 3,613,528.68 is: 5,418,236.50
Step by Step Solution
- Step 1: Write the proportion equation
5,294,388.84 : 7,938,570.14 = 3,613,528.68 : x - Step 2: Convert to fraction form
5,294,388.84/7,938,570.14 = 3,613,528.68/x - Step 3: Cross multiply
5,294,388.84x = 7,938,570.14 × 3,613,528.68 - Step 4: Simplify right side
5,294,388.84x = 28,686,250,879,081.62 - Step 5: Solve for x
x = 28,686,250,879,081.62/5,294,388.84 - Step 6: Final answer
x = 5,418,236.50
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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.