Finding the Fourth Proportional to 3,877,430.51, 5,350,999.27 and 2,135,175.42
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Solution
The fourth proportional to 3,877,430.51, 5,350,999.27 and 2,135,175.42 is: 2,946,622.02
Step by Step Solution
- Step 1: Write the proportion equation
3,877,430.51 : 5,350,999.27 = 2,135,175.42 : x - Step 2: Convert to fraction form
3,877,430.51/5,350,999.27 = 2,135,175.42/x - Step 3: Cross multiply
3,877,430.51x = 5,350,999.27 × 2,135,175.42 - Step 4: Simplify right side
3,877,430.51x = 11,425,322,132,473.71 - Step 5: Solve for x
x = 11,425,322,132,473.71/3,877,430.51 - Step 6: Final answer
x = 2,946,622.02
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1.5x scale
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.