Finding the Fourth Proportional to 5,590,106.97, 7,714,301.24 and 3,142,728.95
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Solution
The fourth proportional to 5,590,106.97, 7,714,301.24 and 3,142,728.95 is: 4,336,939.87
Step by Step Solution
- Step 1: Write the proportion equation
5,590,106.97 : 7,714,301.24 = 3,142,728.95 : x - Step 2: Convert to fraction form
5,590,106.97/7,714,301.24 = 3,142,728.95/x - Step 3: Cross multiply
5,590,106.97x = 7,714,301.24 × 3,142,728.95 - Step 4: Simplify right side
5,590,106.97x = 24,243,957,781,683.75 - Step 5: Solve for x
x = 24,243,957,781,683.75/5,590,106.97 - Step 6: Final answer
x = 4,336,939.87
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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.