Finding the Fourth Proportional to 1,665,302.70, 2,497,370.85 and 866,318.70
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Solution
The fourth proportional to 1,665,302.70, 2,497,370.85 and 866,318.70 is: 1,299,174.66
Step by Step Solution
- Step 1: Write the proportion equation
1,665,302.70 : 2,497,370.85 = 866,318.70 : x - Step 2: Convert to fraction form
1,665,302.70/2,497,370.85 = 866,318.70/x - Step 3: Cross multiply
1,665,302.70x = 2,497,370.85 × 866,318.70 - Step 4: Simplify right side
1,665,302.70x = 2,163,519,068,189.90 - Step 5: Solve for x
x = 2,163,519,068,189.90/1,665,302.70 - Step 6: Final answer
x = 1,299,174.66
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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.