Finding the Fourth Proportional to 7,674,408.59, 10,590,405.75 and 4,236,575.81
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Solution
The fourth proportional to 7,674,408.59, 10,590,405.75 and 4,236,575.81 is: 5,846,321.09
Step by Step Solution
- Step 1: Write the proportion equation
7,674,408.59 : 10,590,405.75 = 4,236,575.81 : x - Step 2: Convert to fraction form
7,674,408.59/10,590,405.75 = 4,236,575.81/x - Step 3: Cross multiply
7,674,408.59x = 10,590,405.75 × 4,236,575.81 - Step 4: Simplify right side
7,674,408.59x = 44,867,056,765,582.88 - Step 5: Solve for x
x = 44,867,056,765,582.88/7,674,408.59 - Step 6: Final answer
x = 5,846,321.09
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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.