Finding the Fourth Proportional to 5,746,875.48, 7,930,741.82 and 3,168,647.91
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Solution
The fourth proportional to 5,746,875.48, 7,930,741.82 and 3,168,647.91 is: 4,372,763.70
Step by Step Solution
- Step 1: Write the proportion equation
5,746,875.48 : 7,930,741.82 = 3,168,647.91 : x - Step 2: Convert to fraction form
5,746,875.48/7,930,741.82 = 3,168,647.91/x - Step 3: Cross multiply
5,746,875.48x = 7,930,741.82 × 3,168,647.91 - Step 4: Simplify right side
5,746,875.48x = 25,129,728,476,849.36 - Step 5: Solve for x
x = 25,129,728,476,849.36/5,746,875.48 - Step 6: Final answer
x = 4,372,763.70
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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.