Finding the Fourth Proportional to 2,013,211.36, 2,778,231.69 and 1,107,793.36
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Solution
The fourth proportional to 2,013,211.36, 2,778,231.69 and 1,107,793.36 is: 1,528,754.84
Step by Step Solution
- Step 1: Write the proportion equation
2,013,211.36 : 2,778,231.69 = 1,107,793.36 : x - Step 2: Convert to fraction form
2,013,211.36/2,778,231.69 = 1,107,793.36/x - Step 3: Cross multiply
2,013,211.36x = 2,778,231.69 × 1,107,793.36 - Step 4: Simplify right side
2,013,211.36x = 3,077,706,599,293.45 - Step 5: Solve for x
x = 3,077,706,599,293.45/2,013,211.36 - Step 6: Final answer
x = 1,528,754.84
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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.