Finding the Fourth Proportional to 4,018,717.60, 5,545,835.10 and 2,183,177.10
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Solution
The fourth proportional to 4,018,717.60, 5,545,835.10 and 2,183,177.10 is: 3,012,787.02
Step by Step Solution
- Step 1: Write the proportion equation
4,018,717.60 : 5,545,835.10 = 2,183,177.10 : x - Step 2: Convert to fraction form
4,018,717.60/5,545,835.10 = 2,183,177.10/x - Step 3: Cross multiply
4,018,717.60x = 5,545,835.10 × 2,183,177.10 - Step 4: Simplify right side
4,018,717.60x = 12,107,540,211,493.09 - Step 5: Solve for x
x = 12,107,540,211,493.09/4,018,717.60 - Step 6: Final answer
x = 3,012,787.02
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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.