Finding the Fourth Proportional to 4,328,403.38, 5,972,680.68 and 2,394,402.02
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Solution
The fourth proportional to 4,328,403.38, 5,972,680.68 and 2,394,402.02 is: 3,303,989.35
Step by Step Solution
- Step 1: Write the proportion equation
4,328,403.38 : 5,972,680.68 = 2,394,402.02 : x - Step 2: Convert to fraction form
4,328,403.38/5,972,680.68 = 2,394,402.02/x - Step 3: Cross multiply
4,328,403.38x = 5,972,680.68 × 2,394,402.02 - Step 4: Simplify right side
4,328,403.38x = 14,300,998,655,143.57 - Step 5: Solve for x
x = 14,300,998,655,143.57/4,328,403.38 - Step 6: Final answer
x = 3,303,989.35
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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.