Finding the Fourth Proportional to 1,447,806.55, 1,998,212.88 and 803,433.73
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Solution
The fourth proportional to 1,447,806.55, 1,998,212.88 and 803,433.73 is: 1,108,871.64
Step by Step Solution
- Step 1: Write the proportion equation
1,447,806.55 : 1,998,212.88 = 803,433.73 : x - Step 2: Convert to fraction form
1,447,806.55/1,998,212.88 = 803,433.73/x - Step 3: Cross multiply
1,447,806.55x = 1,998,212.88 × 803,433.73 - Step 4: Simplify right side
1,447,806.55x = 1,605,431,627,512.44 - Step 5: Solve for x
x = 1,605,431,627,512.44/1,447,806.55 - Step 6: Final answer
x = 1,108,871.64
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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.