Finding the Fourth Proportional to 1,627,053.70, 2,440,580.55 and 445,101.70
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Solution
The fourth proportional to 1,627,053.70, 2,440,580.55 and 445,101.70 is: 667,652.55
Step by Step Solution
- Step 1: Write the proportion equation
1,627,053.70 : 2,440,580.55 = 445,101.70 : x - Step 2: Convert to fraction form
1,627,053.70/2,440,580.55 = 445,101.70/x - Step 3: Cross multiply
1,627,053.70x = 2,440,580.55 × 445,101.70 - Step 4: Simplify right side
1,627,053.70x = 1,086,306,551,791.94 - Step 5: Solve for x
x = 1,086,306,551,791.94/1,627,053.70 - Step 6: Final answer
x = 667,652.55
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Similar ratio
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1.5x scale
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.