Finding the Fourth Proportional to 5,739,169.49, 7,920,412.08 and 3,160,849.58
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Solution
The fourth proportional to 5,739,169.49, 7,920,412.08 and 3,160,849.58 is: 4,362,169.69
Step by Step Solution
- Step 1: Write the proportion equation
5,739,169.49 : 7,920,412.08 = 3,160,849.58 : x - Step 2: Convert to fraction form
5,739,169.49/7,920,412.08 = 3,160,849.58/x - Step 3: Cross multiply
5,739,169.49x = 7,920,412.08 × 3,160,849.58 - Step 4: Simplify right side
5,739,169.49x = 25,035,231,196,494.93 - Step 5: Solve for x
x = 25,035,231,196,494.93/5,739,169.49 - Step 6: Final answer
x = 4,362,169.69
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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.