Finding the Fourth Proportional to 2,217,546.15, 3,060,211.08 and 1,198,948.47
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Solution
The fourth proportional to 2,217,546.15, 3,060,211.08 and 1,198,948.47 is: 1,654,547.48
Step by Step Solution
- Step 1: Write the proportion equation
2,217,546.15 : 3,060,211.08 = 1,198,948.47 : x - Step 2: Convert to fraction form
2,217,546.15/3,060,211.08 = 1,198,948.47/x - Step 3: Cross multiply
2,217,546.15x = 3,060,211.08 × 1,198,948.47 - Step 4: Simplify right side
2,217,546.15x = 3,669,035,392,243.05 - Step 5: Solve for x
x = 3,669,035,392,243.05/2,217,546.15 - Step 6: Final answer
x = 1,654,547.48
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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.