Finding the Fourth Proportional to 5,521,197.80, 8,263,134.30 and 4,849,351.40
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Solution
The fourth proportional to 5,521,197.80, 8,263,134.30 and 4,849,351.40 is: 7,257,635.63
Step by Step Solution
- Step 1: Write the proportion equation
5,521,197.80 : 8,263,134.30 = 4,849,351.40 : x - Step 2: Convert to fraction form
5,521,197.80/8,263,134.30 = 4,849,351.40/x - Step 3: Cross multiply
5,521,197.80x = 8,263,134.30 × 4,849,351.40 - Step 4: Simplify right side
5,521,197.80x = 40,070,841,886,093.02 - Step 5: Solve for x
x = 40,070,841,886,093.02/5,521,197.80 - Step 6: Final answer
x = 7,257,635.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.