Finding the Fourth Proportional to 3,395,644.19, 5,084,948.49 and 2,028,574.79
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Solution
The fourth proportional to 3,395,644.19, 5,084,948.49 and 2,028,574.79 is: 3,037,773.61
Step by Step Solution
- Step 1: Write the proportion equation
3,395,644.19 : 5,084,948.49 = 2,028,574.79 : x - Step 2: Convert to fraction form
3,395,644.19/5,084,948.49 = 2,028,574.79/x - Step 3: Cross multiply
3,395,644.19x = 5,084,948.49 × 2,028,574.79 - Step 4: Simplify right side
3,395,644.19x = 10,315,198,315,262.57 - Step 5: Solve for x
x = 10,315,198,315,262.57/3,395,644.19 - Step 6: Final answer
x = 3,037,773.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.