Finding the Fourth Proportional to 5,013,747.51, 6,919,051.97 and 2,721,906.38
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Solution
The fourth proportional to 5,013,747.51, 6,919,051.97 and 2,721,906.38 is: 3,756,274.45
Step by Step Solution
- Step 1: Write the proportion equation
5,013,747.51 : 6,919,051.97 = 2,721,906.38 : x - Step 2: Convert to fraction form
5,013,747.51/6,919,051.97 = 2,721,906.38/x - Step 3: Cross multiply
5,013,747.51x = 6,919,051.97 × 2,721,906.38 - Step 4: Simplify right side
5,013,747.51x = 18,833,011,672,904.07 - Step 5: Solve for x
x = 18,833,011,672,904.07/5,013,747.51 - Step 6: Final answer
x = 3,756,274.45
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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.