Finding the Fourth Proportional to 4,121,403.36, 5,680,967.26 and 3,248,816.00
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Solution
The fourth proportional to 4,121,403.36, 5,680,967.26 and 3,248,816.00 is: 4,478,187.57
Step by Step Solution
- Step 1: Write the proportion equation
4,121,403.36 : 5,680,967.26 = 3,248,816.00 : x - Step 2: Convert to fraction form
4,121,403.36/5,680,967.26 = 3,248,816.00/x - Step 3: Cross multiply
4,121,403.36x = 5,680,967.26 × 3,248,816.00 - Step 4: Simplify right side
4,121,403.36x = 18,456,417,306,170.13 - Step 5: Solve for x
x = 18,456,417,306,170.13/4,121,403.36 - Step 6: Final answer
x = 4,478,187.57
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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.