Finding the Fourth Proportional to 3,081,408.04, 4,252,328.58 and 1,723,286.44
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Solution
The fourth proportional to 3,081,408.04, 4,252,328.58 and 1,723,286.44 is: 2,378,127.17
Step by Step Solution
- Step 1: Write the proportion equation
3,081,408.04 : 4,252,328.58 = 1,723,286.44 : x - Step 2: Convert to fraction form
3,081,408.04/4,252,328.58 = 1,723,286.44/x - Step 3: Cross multiply
3,081,408.04x = 4,252,328.58 × 1,723,286.44 - Step 4: Simplify right side
3,081,408.04x = 7,327,980,180,338.46 - Step 5: Solve for x
x = 7,327,980,180,338.46/3,081,408.04 - Step 6: Final answer
x = 2,378,127.17
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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.