Finding the Fourth Proportional to 3,883,044.24, 5,358,783.60 and 2,164,176.72
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Solution
The fourth proportional to 3,883,044.24, 5,358,783.60 and 2,164,176.72 is: 2,986,665.62
Step by Step Solution
- Step 1: Write the proportion equation
3,883,044.24 : 5,358,783.60 = 2,164,176.72 : x - Step 2: Convert to fraction form
3,883,044.24/5,358,783.60 = 2,164,176.72/x - Step 3: Cross multiply
3,883,044.24x = 5,358,783.60 × 2,164,176.72 - Step 4: Simplify right side
3,883,044.24x = 11,597,354,714,637.79 - Step 5: Solve for x
x = 11,597,354,714,637.79/3,883,044.24 - Step 6: Final answer
x = 2,986,665.62
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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.