Finding the Fourth Proportional to 2,972,859.85, 4,459,381.98 and 1,414,543.78
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Solution
The fourth proportional to 2,972,859.85, 4,459,381.98 and 1,414,543.78 is: 2,121,859.54
Step by Step Solution
- Step 1: Write the proportion equation
2,972,859.85 : 4,459,381.98 = 1,414,543.78 : x - Step 2: Convert to fraction form
2,972,859.85/4,459,381.98 = 1,414,543.78/x - Step 3: Cross multiply
2,972,859.85x = 4,459,381.98 × 1,414,543.78 - Step 4: Simplify right side
2,972,859.85x = 6,307,991,042,453.09 - Step 5: Solve for x
x = 6,307,991,042,453.09/2,972,859.85 - Step 6: Final answer
x = 2,121,859.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.