Finding the Fourth Proportional to 1,700,813.62, 2,347,122.92 and 936,867.18
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Solution
The fourth proportional to 1,700,813.62, 2,347,122.92 and 936,867.18 is: 1,292,876.78
Step by Step Solution
- Step 1: Write the proportion equation
1,700,813.62 : 2,347,122.92 = 936,867.18 : x - Step 2: Convert to fraction form
1,700,813.62/2,347,122.92 = 936,867.18/x - Step 3: Cross multiply
1,700,813.62x = 2,347,122.92 × 936,867.18 - Step 4: Simplify right side
1,700,813.62x = 2,198,942,426,923.94 - Step 5: Solve for x
x = 2,198,942,426,923.94/1,700,813.62 - Step 6: Final answer
x = 1,292,876.78
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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.