Finding the Fourth Proportional to 2,312,551.97, 3,191,249.78 and 1,332,493.03
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Solution
The fourth proportional to 2,312,551.97, 3,191,249.78 and 1,332,493.03 is: 1,838,798.92
Step by Step Solution
- Step 1: Write the proportion equation
2,312,551.97 : 3,191,249.78 = 1,332,493.03 : x - Step 2: Convert to fraction form
2,312,551.97/3,191,249.78 = 1,332,493.03/x - Step 3: Cross multiply
2,312,551.97x = 3,191,249.78 × 1,332,493.03 - Step 4: Simplify right side
2,312,551.97x = 4,252,318,074,198.44 - Step 5: Solve for x
x = 4,252,318,074,198.44/2,312,551.97 - Step 6: Final answer
x = 1,838,798.92
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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.