Finding the Fourth Proportional to 2,217,945.78, 3,060,765.36 and 1,199,350.62
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Solution
The fourth proportional to 2,217,945.78, 3,060,765.36 and 1,199,350.62 is: 1,655,103.95
Step by Step Solution
- Step 1: Write the proportion equation
2,217,945.78 : 3,060,765.36 = 1,199,350.62 : x - Step 2: Convert to fraction form
2,217,945.78/3,060,765.36 = 1,199,350.62/x - Step 3: Cross multiply
2,217,945.78x = 3,060,765.36 × 1,199,350.62 - Step 4: Simplify right side
2,217,945.78x = 3,670,930,832,190.52 - Step 5: Solve for x
x = 3,670,930,832,190.52/2,217,945.78 - Step 6: Final answer
x = 1,655,103.95
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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.