Finding the Fourth Proportional to 1,724,409.86, 2,379,686.24 and 999,677.68
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Solution
The fourth proportional to 1,724,409.86, 2,379,686.24 and 999,677.68 is: 1,379,555.57
Step by Step Solution
- Step 1: Write the proportion equation
1,724,409.86 : 2,379,686.24 = 999,677.68 : x - Step 2: Convert to fraction form
1,724,409.86/2,379,686.24 = 999,677.68/x - Step 3: Cross multiply
1,724,409.86x = 2,379,686.24 × 999,677.68 - Step 4: Simplify right side
1,724,409.86x = 2,378,919,219,531.12 - Step 5: Solve for x
x = 2,378,919,219,531.12/1,724,409.86 - Step 6: Final answer
x = 1,379,555.57
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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.