Finding the Fourth Proportional to 2,217,461.07, 3,060,095.99 and 1,198,865.82
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Solution
The fourth proportional to 2,217,461.07, 3,060,095.99 and 1,198,865.82 is: 1,654,434.67
Step by Step Solution
- Step 1: Write the proportion equation
2,217,461.07 : 3,060,095.99 = 1,198,865.82 : x - Step 2: Convert to fraction form
2,217,461.07/3,060,095.99 = 1,198,865.82/x - Step 3: Cross multiply
2,217,461.07x = 3,060,095.99 × 1,198,865.82 - Step 4: Simplify right side
2,217,461.07x = 3,668,644,482,335.73 - Step 5: Solve for x
x = 3,668,644,482,335.73/2,217,461.07 - Step 6: Final answer
x = 1,654,434.67
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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.