Finding the Fourth Proportional to 1,801,761.24, 2,486,430.74 and 985,965.09
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Solution
The fourth proportional to 1,801,761.24, 2,486,430.74 and 985,965.09 is: 1,360,631.95
Step by Step Solution
- Step 1: Write the proportion equation
1,801,761.24 : 2,486,430.74 = 985,965.09 : x - Step 2: Convert to fraction form
1,801,761.24/2,486,430.74 = 985,965.09/x - Step 3: Cross multiply
1,801,761.24x = 2,486,430.74 × 985,965.09 - Step 4: Simplify right side
1,801,761.24x = 2,451,533,908,342.87 - Step 5: Solve for x
x = 2,451,533,908,342.87/1,801,761.24 - Step 6: Final answer
x = 1,360,631.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.