Finding the Fourth Proportional to 3,123,356.99, 4,310,452.30 and 1,746,828.79
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Solution
The fourth proportional to 3,123,356.99, 4,310,452.30 and 1,746,828.79 is: 2,410,746.58
Step by Step Solution
- Step 1: Write the proportion equation
3,123,356.99 : 4,310,452.30 = 1,746,828.79 : x - Step 2: Convert to fraction form
3,123,356.99/4,310,452.30 = 1,746,828.79/x - Step 3: Cross multiply
3,123,356.99x = 4,310,452.30 × 1,746,828.79 - Step 4: Simplify right side
3,123,356.99x = 7,529,622,181,982.31 - Step 5: Solve for x
x = 7,529,622,181,982.31/3,123,356.99 - Step 6: Final answer
x = 2,410,746.58
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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.