Finding the Fourth Proportional to 4,208,391.92, 6,312,776.04 and 1,290,274.84
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Solution
The fourth proportional to 4,208,391.92, 6,312,776.04 and 1,290,274.84 is: 1,935,469.94
Step by Step Solution
- Step 1: Write the proportion equation
4,208,391.92 : 6,312,776.04 = 1,290,274.84 : x - Step 2: Convert to fraction form
4,208,391.92/6,312,776.04 = 1,290,274.84/x - Step 3: Cross multiply
4,208,391.92x = 6,312,776.04 × 1,290,274.84 - Step 4: Simplify right side
4,208,391.92x = 8,145,216,067,348.44 - Step 5: Solve for x
x = 8,145,216,067,348.44/4,208,391.92 - Step 6: Final answer
x = 1,935,469.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.