Finding the Fourth Proportional to 2,104,555.14, 3,156,945.40 and 665,129.05
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Solution
The fourth proportional to 2,104,555.14, 3,156,945.40 and 665,129.05 is: 997,729.18
Step by Step Solution
- Step 1: Write the proportion equation
2,104,555.14 : 3,156,945.40 = 665,129.05 : x - Step 2: Convert to fraction form
2,104,555.14/3,156,945.40 = 665,129.05/x - Step 3: Cross multiply
2,104,555.14x = 3,156,945.40 × 665,129.05 - Step 4: Simplify right side
2,104,555.14x = 2,099,776,079,019.14 - Step 5: Solve for x
x = 2,099,776,079,019.14/2,104,555.14 - Step 6: Final answer
x = 997,729.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.