Finding the Fourth Proportional to 2,757,465.40, 4,139,567.70 and 1,560,220.60
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Solution
The fourth proportional to 2,757,465.40, 4,139,567.70 and 1,560,220.60 is: 2,342,237.48
Step by Step Solution
- Step 1: Write the proportion equation
2,757,465.40 : 4,139,567.70 = 1,560,220.60 : x - Step 2: Convert to fraction form
2,757,465.40/4,139,567.70 = 1,560,220.60/x - Step 3: Cross multiply
2,757,465.40x = 4,139,567.70 × 1,560,220.60 - Step 4: Simplify right side
2,757,465.40x = 6,458,638,800,634.62 - Step 5: Solve for x
x = 6,458,638,800,634.62/2,757,465.40 - Step 6: Final answer
x = 2,342,237.48
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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.