Finding the Fourth Proportional to 3,844,730.28, 5,305,353.70 and 2,125,615.40
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Solution
The fourth proportional to 3,844,730.28, 5,305,353.70 and 2,125,615.40 is: 2,933,142.43
Step by Step Solution
- Step 1: Write the proportion equation
3,844,730.28 : 5,305,353.70 = 2,125,615.40 : x - Step 2: Convert to fraction form
3,844,730.28/5,305,353.70 = 2,125,615.40/x - Step 3: Cross multiply
3,844,730.28x = 5,305,353.70 × 2,125,615.40 - Step 4: Simplify right side
3,844,730.28x = 11,277,141,527,166.98 - Step 5: Solve for x
x = 11,277,141,527,166.98/3,844,730.28 - Step 6: Final answer
x = 2,933,142.43
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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.