Finding the Fourth Proportional to 2,457,385.43, 3,391,207.64 and 1,369,725.98
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Solution
The fourth proportional to 2,457,385.43, 3,391,207.64 and 1,369,725.98 is: 1,890,230.62
Step by Step Solution
- Step 1: Write the proportion equation
2,457,385.43 : 3,391,207.64 = 1,369,725.98 : x - Step 2: Convert to fraction form
2,457,385.43/3,391,207.64 = 1,369,725.98/x - Step 3: Cross multiply
2,457,385.43x = 3,391,207.64 × 1,369,725.98 - Step 4: Simplify right side
2,457,385.43x = 4,645,025,184,277.82 - Step 5: Solve for x
x = 4,645,025,184,277.82/2,457,385.43 - Step 6: Final answer
x = 1,890,230.62
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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.