Finding the Fourth Proportional to 6,638,278.29, 9,959,189.35 and 2,378,877.09
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Solution
The fourth proportional to 6,638,278.29, 9,959,189.35 and 2,378,877.09 is: 3,568,950.61
Step by Step Solution
- Step 1: Write the proportion equation
6,638,278.29 : 9,959,189.35 = 2,378,877.09 : x - Step 2: Convert to fraction form
6,638,278.29/9,959,189.35 = 2,378,877.09/x - Step 3: Cross multiply
6,638,278.29x = 9,959,189.35 × 2,378,877.09 - Step 4: Simplify right side
6,638,278.29x = 23,691,687,379,686.99 - Step 5: Solve for x
x = 23,691,687,379,686.99/6,638,278.29 - Step 6: Final answer
x = 3,568,950.61
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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.