Finding the Fourth Proportional to 1,724,673.33, 2,379,522.42 and 999,381.11
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Solution
The fourth proportional to 1,724,673.33, 2,379,522.42 and 999,381.11 is: 1,378,840.68
Step by Step Solution
- Step 1: Write the proportion equation
1,724,673.33 : 2,379,522.42 = 999,381.11 : x - Step 2: Convert to fraction form
1,724,673.33/2,379,522.42 = 999,381.11/x - Step 3: Cross multiply
1,724,673.33x = 2,379,522.42 × 999,381.11 - Step 4: Simplify right side
1,724,673.33x = 2,378,049,745,471.87 - Step 5: Solve for x
x = 2,378,049,745,471.87/1,724,673.33 - Step 6: Final answer
x = 1,378,840.68
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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.