Finding the Fourth Proportional to 1,724,595.37, 2,379,943.87 and 939,657.58
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Solution
The fourth proportional to 1,724,595.37, 2,379,943.87 and 939,657.58 is: 1,296,728.69
Step by Step Solution
- Step 1: Write the proportion equation
1,724,595.37 : 2,379,943.87 = 939,657.58 : x - Step 2: Convert to fraction form
1,724,595.37/2,379,943.87 = 939,657.58/x - Step 3: Cross multiply
1,724,595.37x = 2,379,943.87 × 939,657.58 - Step 4: Simplify right side
1,724,595.37x = 2,236,332,289,121.03 - Step 5: Solve for x
x = 2,236,332,289,121.03/1,724,595.37 - Step 6: Final answer
x = 1,296,728.69
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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.