Finding the Fourth Proportional to 1,723,780.85, 2,378,768.81 and 938,828.99
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Solution
The fourth proportional to 1,723,780.85, 2,378,768.81 and 938,828.99 is: 1,295,557.44
Step by Step Solution
- Step 1: Write the proportion equation
1,723,780.85 : 2,378,768.81 = 938,828.99 : x - Step 2: Convert to fraction form
1,723,780.85/2,378,768.81 = 938,828.99/x - Step 3: Cross multiply
1,723,780.85x = 2,378,768.81 × 938,828.99 - Step 4: Simplify right side
1,723,780.85x = 2,233,257,109,789.03 - Step 5: Solve for x
x = 2,233,257,109,789.03/1,723,780.85 - Step 6: Final answer
x = 1,295,557.44
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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.