Finding the Fourth Proportional to 1,391,616.73, 2,086,140.68 and 965,353.67
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Solution
The fourth proportional to 1,391,616.73, 2,086,140.68 and 965,353.67 is: 1,447,139.52
Step by Step Solution
- Step 1: Write the proportion equation
1,391,616.73 : 2,086,140.68 = 965,353.67 : x - Step 2: Convert to fraction form
1,391,616.73/2,086,140.68 = 965,353.67/x - Step 3: Cross multiply
1,391,616.73x = 2,086,140.68 × 965,353.67 - Step 4: Simplify right side
1,391,616.73x = 2,013,863,561,574.30 - Step 5: Solve for x
x = 2,013,863,561,574.30/1,391,616.73 - Step 6: Final answer
x = 1,447,139.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.