Finding the Fourth Proportional to 2,217,493.36, 3,060,140.76 and 1,198,897.84
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Solution
The fourth proportional to 2,217,493.36, 3,060,140.76 and 1,198,897.84 is: 1,654,478.98
Step by Step Solution
- Step 1: Write the proportion equation
2,217,493.36 : 3,060,140.76 = 1,198,897.84 : x - Step 2: Convert to fraction form
2,217,493.36/3,060,140.76 = 1,198,897.84/x - Step 3: Cross multiply
2,217,493.36x = 3,060,140.76 × 1,198,897.84 - Step 4: Simplify right side
2,217,493.36x = 3,668,796,147,259.96 - Step 5: Solve for x
x = 3,668,796,147,259.96/2,217,493.36 - Step 6: Final answer
x = 1,654,478.98
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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.