Finding the Fourth Proportional to 4,309,676.20, 6,471,512.70 and 2,895,999.40
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Solution
The fourth proportional to 4,309,676.20, 6,471,512.70 and 2,895,999.40 is: 4,348,701.86
Step by Step Solution
- Step 1: Write the proportion equation
4,309,676.20 : 6,471,512.70 = 2,895,999.40 : x - Step 2: Convert to fraction form
4,309,676.20/6,471,512.70 = 2,895,999.40/x - Step 3: Cross multiply
4,309,676.20x = 6,471,512.70 × 2,895,999.40 - Step 4: Simplify right side
4,309,676.20x = 18,741,496,896,292.38 - Step 5: Solve for x
x = 18,741,496,896,292.38/4,309,676.20 - Step 6: Final answer
x = 4,348,701.86
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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.