Finding the Fourth Proportional to 3,138,304.92, 4,317,270.30 and 2,749,368.84
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Solution
The fourth proportional to 3,138,304.92, 4,317,270.30 and 2,749,368.84 is: 3,782,222.80
Step by Step Solution
- Step 1: Write the proportion equation
3,138,304.92 : 4,317,270.30 = 2,749,368.84 : x - Step 2: Convert to fraction form
3,138,304.92/4,317,270.30 = 2,749,368.84/x - Step 3: Cross multiply
3,138,304.92x = 4,317,270.30 × 2,749,368.84 - Step 4: Simplify right side
3,138,304.92x = 11,869,768,436,677.45 - Step 5: Solve for x
x = 11,869,768,436,677.45/3,138,304.92 - Step 6: Final answer
x = 3,782,222.80
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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.