Finding the Fourth Proportional to 2,625,717.45, 3,938,576.18 and 1,560,211.05
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Solution
The fourth proportional to 2,625,717.45, 3,938,576.18 and 1,560,211.05 is: 2,340,316.58
Step by Step Solution
- Step 1: Write the proportion equation
2,625,717.45 : 3,938,576.18 = 1,560,211.05 : x - Step 2: Convert to fraction form
2,625,717.45/3,938,576.18 = 1,560,211.05/x - Step 3: Cross multiply
2,625,717.45x = 3,938,576.18 × 1,560,211.05 - Step 4: Simplify right side
2,625,717.45x = 6,145,010,069,501.73 - Step 5: Solve for x
x = 6,145,010,069,501.73/2,625,717.45 - Step 6: Final answer
x = 2,340,316.58
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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.