Finding the Fourth Proportional to 3,475,385.80, 5,213,078.70 and 2,950,505.80
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Solution
The fourth proportional to 3,475,385.80, 5,213,078.70 and 2,950,505.80 is: 4,425,758.70
Step by Step Solution
- Step 1: Write the proportion equation
3,475,385.80 : 5,213,078.70 = 2,950,505.80 : x - Step 2: Convert to fraction form
3,475,385.80/5,213,078.70 = 2,950,505.80/x - Step 3: Cross multiply
3,475,385.80x = 5,213,078.70 × 2,950,505.80 - Step 4: Simplify right side
3,475,385.80x = 15,381,218,940,206.46 - Step 5: Solve for x
x = 15,381,218,940,206.46/3,475,385.80 - Step 6: Final answer
x = 4,425,758.70
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1.5x scale
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.