Finding the Fourth Proportional to 1,724,405.34, 2,379,680.03 and 999,673.18
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Solution
The fourth proportional to 1,724,405.34, 2,379,680.03 and 999,673.18 is: 1,379,549.37
Step by Step Solution
- Step 1: Write the proportion equation
1,724,405.34 : 2,379,680.03 = 999,673.18 : x - Step 2: Convert to fraction form
1,724,405.34/2,379,680.03 = 999,673.18/x - Step 3: Cross multiply
1,724,405.34x = 2,379,680.03 × 999,673.18 - Step 4: Simplify right side
1,724,405.34x = 2,378,902,302,972.60 - Step 5: Solve for x
x = 2,378,902,302,972.60/1,724,405.34 - Step 6: Final answer
x = 1,379,549.37
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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.