Finding the Fourth Proportional to 1,724,410.86, 2,379,687.62 and 999,678.68
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Solution
The fourth proportional to 1,724,410.86, 2,379,687.62 and 999,678.68 is: 1,379,556.95
Step by Step Solution
- Step 1: Write the proportion equation
1,724,410.86 : 2,379,687.62 = 999,678.68 : x - Step 2: Convert to fraction form
1,724,410.86/2,379,687.62 = 999,678.68/x - Step 3: Cross multiply
1,724,410.86x = 2,379,687.62 × 999,678.68 - Step 4: Simplify right side
1,724,410.86x = 2,378,922,978,773.94 - Step 5: Solve for x
x = 2,378,922,978,773.94/1,724,410.86 - Step 6: Final answer
x = 1,379,556.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.