Finding the Fourth Proportional to 5,000,638.16, 6,901,390.92 and 3,606,343.76
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Solution
The fourth proportional to 5,000,638.16, 6,901,390.92 and 3,606,343.76 is: 4,977,122.38
Step by Step Solution
- Step 1: Write the proportion equation
5,000,638.16 : 6,901,390.92 = 3,606,343.76 : x - Step 2: Convert to fraction form
5,000,638.16/6,901,390.92 = 3,606,343.76/x - Step 3: Cross multiply
5,000,638.16x = 6,901,390.92 × 3,606,343.76 - Step 4: Simplify right side
5,000,638.16x = 24,888,788,079,662.66 - Step 5: Solve for x
x = 24,888,788,079,662.66/5,000,638.16 - Step 6: Final answer
x = 4,977,122.38
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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.