Finding the Fourth Proportional to 2,430,381.66, 3,353,910.74 and 1,342,723.38
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Solution
The fourth proportional to 2,430,381.66, 3,353,910.74 and 1,342,723.38 is: 1,852,949.45
Step by Step Solution
- Step 1: Write the proportion equation
2,430,381.66 : 3,353,910.74 = 1,342,723.38 : x - Step 2: Convert to fraction form
2,430,381.66/3,353,910.74 = 1,342,723.38/x - Step 3: Cross multiply
2,430,381.66x = 3,353,910.74 × 1,342,723.38 - Step 4: Simplify right side
2,430,381.66x = 4,503,374,365,031.10 - Step 5: Solve for x
x = 4,503,374,365,031.10/2,430,381.66 - Step 6: Final answer
x = 1,852,949.45
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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.