Finding the Fourth Proportional to 4,018,714.02, 5,545,830.18 and 2,183,173.53
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Solution
The fourth proportional to 4,018,714.02, 5,545,830.18 and 2,183,173.53 is: 3,012,782.10
Step by Step Solution
- Step 1: Write the proportion equation
4,018,714.02 : 5,545,830.18 = 2,183,173.53 : x - Step 2: Convert to fraction form
4,018,714.02/5,545,830.18 = 2,183,173.53/x - Step 3: Cross multiply
4,018,714.02x = 5,545,830.18 × 2,183,173.53 - Step 4: Simplify right side
4,018,714.02x = 12,107,509,650,851.13 - Step 5: Solve for x
x = 12,107,509,650,851.13/4,018,714.02 - Step 6: Final answer
x = 3,012,782.10
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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.