Finding the Fourth Proportional to 1,724,418.09, 2,379,697.61 and 999,685.92
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Solution
The fourth proportional to 1,724,418.09, 2,379,697.61 and 999,685.92 is: 1,379,566.94
Step by Step Solution
- Step 1: Write the proportion equation
1,724,418.09 : 2,379,697.61 = 999,685.92 : x - Step 2: Convert to fraction form
1,724,418.09/2,379,697.61 = 999,685.92/x - Step 3: Cross multiply
1,724,418.09x = 2,379,697.61 × 999,685.92 - Step 4: Simplify right side
1,724,418.09x = 2,378,950,189,576.22 - Step 5: Solve for x
x = 2,378,950,189,576.22/1,724,418.09 - Step 6: Final answer
x = 1,379,566.94
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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.