Finding the Fourth Proportional to 1,370,117.70, 2,055,176.55 and 622,163.70
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Solution
The fourth proportional to 1,370,117.70, 2,055,176.55 and 622,163.70 is: 933,245.55
Step by Step Solution
- Step 1: Write the proportion equation
1,370,117.70 : 2,055,176.55 = 622,163.70 : x - Step 2: Convert to fraction form
1,370,117.70/2,055,176.55 = 622,163.70/x - Step 3: Cross multiply
1,370,117.70x = 2,055,176.55 × 622,163.70 - Step 4: Simplify right side
1,370,117.70x = 1,278,656,246,501.23 - Step 5: Solve for x
x = 1,278,656,246,501.23/1,370,117.70 - Step 6: Final answer
x = 933,245.55
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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.