Finding the Fourth Proportional to 3,502,990.20, 5,256,560.58 and 1,481,123.64
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Solution
The fourth proportional to 3,502,990.20, 5,256,560.58 and 1,481,123.64 is: 2,222,562.92
Step by Step Solution
- Step 1: Write the proportion equation
3,502,990.20 : 5,256,560.58 = 1,481,123.64 : x - Step 2: Convert to fraction form
3,502,990.20/5,256,560.58 = 1,481,123.64/x - Step 3: Cross multiply
3,502,990.20x = 5,256,560.58 × 1,481,123.64 - Step 4: Simplify right side
3,502,990.20x = 7,785,616,140,130.11 - Step 5: Solve for x
x = 7,785,616,140,130.11/3,502,990.20 - Step 6: Final answer
x = 2,222,562.92
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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.