Finding the Fourth Proportional to 5,747,613.30, 7,931,657.97 and 3,169,402.74
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Solution
The fourth proportional to 5,747,613.30, 7,931,657.97 and 3,169,402.74 is: 4,373,749.10
Step by Step Solution
- Step 1: Write the proportion equation
5,747,613.30 : 7,931,657.97 = 3,169,402.74 : x - Step 2: Convert to fraction form
5,747,613.30/7,931,657.97 = 3,169,402.74/x - Step 3: Cross multiply
5,747,613.30x = 7,931,657.97 × 3,169,402.74 - Step 4: Simplify right side
5,747,613.30x = 25,138,618,502,860.84 - Step 5: Solve for x
x = 25,138,618,502,860.84/5,747,613.30 - Step 6: Final answer
x = 4,373,749.10
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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.