Finding the Fourth Proportional to 3,921,864.32, 5,883,135.38 and 1,081,976.47
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Solution
The fourth proportional to 3,921,864.32, 5,883,135.38 and 1,081,976.47 is: 1,623,058.20
Step by Step Solution
- Step 1: Write the proportion equation
3,921,864.32 : 5,883,135.38 = 1,081,976.47 : x - Step 2: Convert to fraction form
3,921,864.32/5,883,135.38 = 1,081,976.47/x - Step 3: Cross multiply
3,921,864.32x = 5,883,135.38 × 1,081,976.47 - Step 4: Simplify right side
3,921,864.32x = 6,365,414,050,984.51 - Step 5: Solve for x
x = 6,365,414,050,984.51/3,921,864.32 - Step 6: Final answer
x = 1,623,058.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.