Finding the Fourth Proportional to 1,854,821.31, 2,782,286.79 and 1,583,237.17
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Solution
The fourth proportional to 1,854,821.31, 2,782,286.79 and 1,583,237.17 is: 2,374,902.55
Step by Step Solution
- Step 1: Write the proportion equation
1,854,821.31 : 2,782,286.79 = 1,583,237.17 : x - Step 2: Convert to fraction form
1,854,821.31/2,782,286.79 = 1,583,237.17/x - Step 3: Cross multiply
1,854,821.31x = 2,782,286.79 × 1,583,237.17 - Step 4: Simplify right side
1,854,821.31x = 4,405,019,863,527.98 - Step 5: Solve for x
x = 4,405,019,863,527.98/1,854,821.31 - Step 6: Final answer
x = 2,374,902.55
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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.