Finding the Fourth Proportional to 2,043,406.48, 2,820,122.44 and 1,125,729.68
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Solution
The fourth proportional to 2,043,406.48, 2,820,122.44 and 1,125,729.68 is: 1,553,628.98
Step by Step Solution
- Step 1: Write the proportion equation
2,043,406.48 : 2,820,122.44 = 1,125,729.68 : x - Step 2: Convert to fraction form
2,043,406.48/2,820,122.44 = 1,125,729.68/x - Step 3: Cross multiply
2,043,406.48x = 2,820,122.44 × 1,125,729.68 - Step 4: Simplify right side
2,043,406.48x = 3,174,695,531,942.02 - Step 5: Solve for x
x = 3,174,695,531,942.02/2,043,406.48 - Step 6: Final answer
x = 1,553,628.98
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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.