Finding the Fourth Proportional to 6,474,434.92, 8,934,721.70 and 3,573,826.92
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Solution
The fourth proportional to 6,474,434.92, 8,934,721.70 and 3,573,826.92 is: 4,931,881.98
Step by Step Solution
- Step 1: Write the proportion equation
6,474,434.92 : 8,934,721.70 = 3,573,826.92 : x - Step 2: Convert to fraction form
6,474,434.92/8,934,721.70 = 3,573,826.92/x - Step 3: Cross multiply
6,474,434.92x = 8,934,721.70 × 3,573,826.92 - Step 4: Simplify right side
6,474,434.92x = 31,931,148,934,168.16 - Step 5: Solve for x
x = 31,931,148,934,168.16/6,474,434.92 - Step 6: Final answer
x = 4,931,881.98
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1.5x scale
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.