Finding the Fourth Proportional to 1,332,107.62, 1,837,888.83 and 815,322.76
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Solution
The fourth proportional to 1,332,107.62, 1,837,888.83 and 815,322.76 is: 1,124,888.55
Step by Step Solution
- Step 1: Write the proportion equation
1,332,107.62 : 1,837,888.83 = 815,322.76 : x - Step 2: Convert to fraction form
1,332,107.62/1,837,888.83 = 815,322.76/x - Step 3: Cross multiply
1,332,107.62x = 1,837,888.83 × 815,322.76 - Step 4: Simplify right side
1,332,107.62x = 1,498,472,600,915.19 - Step 5: Solve for x
x = 1,498,472,600,915.19/1,332,107.62 - Step 6: Final answer
x = 1,124,888.55
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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.