Finding the Fourth Proportional to 4,440,702.72, 6,128,221.68 and 2,605,192.56
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Solution
The fourth proportional to 4,440,702.72, 6,128,221.68 and 2,605,192.56 is: 3,595,196.20
Step by Step Solution
- Step 1: Write the proportion equation
4,440,702.72 : 6,128,221.68 = 2,605,192.56 : x - Step 2: Convert to fraction form
4,440,702.72/6,128,221.68 = 2,605,192.56/x - Step 3: Cross multiply
4,440,702.72x = 6,128,221.68 × 2,605,192.56 - Step 4: Simplify right side
4,440,702.72x = 15,965,197,526,766.70 - Step 5: Solve for x
x = 15,965,197,526,766.70/4,440,702.72 - Step 6: Final answer
x = 3,595,196.20
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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.