Finding the Fourth Proportional to 2,276,704.36, 3,141,728.40 and 1,258,043.50
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Solution
The fourth proportional to 2,276,704.36, 3,141,728.40 and 1,258,043.50 is: 1,736,031.72
Step by Step Solution
- Step 1: Write the proportion equation
2,276,704.36 : 3,141,728.40 = 1,258,043.50 : x - Step 2: Convert to fraction form
2,276,704.36/3,141,728.40 = 1,258,043.50/x - Step 3: Cross multiply
2,276,704.36x = 3,141,728.40 × 1,258,043.50 - Step 4: Simplify right side
2,276,704.36x = 3,952,430,992,385.40 - Step 5: Solve for x
x = 3,952,430,992,385.40/2,276,704.36 - Step 6: Final answer
x = 1,736,031.72
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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.