Finding the Fourth Proportional to 1,724,403.92, 2,379,461.74 and 999,238.40
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Solution
The fourth proportional to 1,724,403.92, 2,379,461.74 and 999,238.40 is: 1,378,824.02
Step by Step Solution
- Step 1: Write the proportion equation
1,724,403.92 : 2,379,461.74 = 999,238.40 : x - Step 2: Convert to fraction form
1,724,403.92/2,379,461.74 = 999,238.40/x - Step 3: Cross multiply
1,724,403.92x = 2,379,461.74 × 999,238.40 - Step 4: Simplify right side
1,724,403.92x = 2,377,649,541,938.82 - Step 5: Solve for x
x = 2,377,649,541,938.82/1,724,403.92 - Step 6: Final answer
x = 1,378,824.02
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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.