Finding the Fourth Proportional to 2,786,343.78, 3,845,574.72 and 1,699,245.96
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Solution
The fourth proportional to 2,786,343.78, 3,845,574.72 and 1,699,245.96 is: 2,345,215.75
Step by Step Solution
- Step 1: Write the proportion equation
2,786,343.78 : 3,845,574.72 = 1,699,245.96 : x - Step 2: Convert to fraction form
2,786,343.78/3,845,574.72 = 1,699,245.96/x - Step 3: Cross multiply
2,786,343.78x = 3,845,574.72 × 1,699,245.96 - Step 4: Simplify right side
2,786,343.78x = 6,534,577,306,838.13 - Step 5: Solve for x
x = 6,534,577,306,838.13/2,786,343.78 - Step 6: Final answer
x = 2,345,215.75
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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.