Finding the Fourth Proportional to 1,724,383.50, 2,379,405.16 and 979,283.53
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Solution
The fourth proportional to 1,724,383.50, 2,379,405.16 and 979,283.53 is: 1,351,272.67
Step by Step Solution
- Step 1: Write the proportion equation
1,724,383.50 : 2,379,405.16 = 979,283.53 : x - Step 2: Convert to fraction form
1,724,383.50/2,379,405.16 = 979,283.53/x - Step 3: Cross multiply
1,724,383.50x = 2,379,405.16 × 979,283.53 - Step 4: Simplify right side
1,724,383.50x = 2,330,112,283,074.91 - Step 5: Solve for x
x = 2,330,112,283,074.91/1,724,383.50 - Step 6: Final answer
x = 1,351,272.67
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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.