Finding the Fourth Proportional to 1,396,943.29, 2,104,749.46 and 1,262,163.91
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Solution
The fourth proportional to 1,396,943.29, 2,104,749.46 and 1,262,163.91 is: 1,901,679.78
Step by Step Solution
- Step 1: Write the proportion equation
1,396,943.29 : 2,104,749.46 = 1,262,163.91 : x - Step 2: Convert to fraction form
1,396,943.29/2,104,749.46 = 1,262,163.91/x - Step 3: Cross multiply
1,396,943.29x = 2,104,749.46 × 1,262,163.91 - Step 4: Simplify right side
1,396,943.29x = 2,656,538,808,003.99 - Step 5: Solve for x
x = 2,656,538,808,003.99/1,396,943.29 - Step 6: Final answer
x = 1,901,679.78
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.