Finding the Fourth Proportional to 2,586,294.81, 3,879,202.86 and 1,219,755.15
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Solution
The fourth proportional to 2,586,294.81, 3,879,202.86 and 1,219,755.15 is: 1,829,519.84
Step by Step Solution
- Step 1: Write the proportion equation
2,586,294.81 : 3,879,202.86 = 1,219,755.15 : x - Step 2: Convert to fraction form
2,586,294.81/3,879,202.86 = 1,219,755.15/x - Step 3: Cross multiply
2,586,294.81x = 3,879,202.86 × 1,219,755.15 - Step 4: Simplify right side
2,586,294.81x = 4,731,677,666,379.73 - Step 5: Solve for x
x = 4,731,677,666,379.73/2,586,294.81 - Step 6: Final answer
x = 1,829,519.84
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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.