Finding the Fourth Proportional to 2,542,546.14, 3,508,739.42 and 1,381,015.07
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Solution
The fourth proportional to 2,542,546.14, 3,508,739.42 and 1,381,015.07 is: 1,905,814.77
Step by Step Solution
- Step 1: Write the proportion equation
2,542,546.14 : 3,508,739.42 = 1,381,015.07 : x - Step 2: Convert to fraction form
2,542,546.14/3,508,739.42 = 1,381,015.07/x - Step 3: Cross multiply
2,542,546.14x = 3,508,739.42 × 1,381,015.07 - Step 4: Simplify right side
2,542,546.14x = 4,845,621,991,274.29 - Step 5: Solve for x
x = 4,845,621,991,274.29/2,542,546.14 - Step 6: Final answer
x = 1,905,814.77
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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.