Finding the Fourth Proportional to 1,387,435.98, 2,080,908.18 and 376,636.44
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Solution
The fourth proportional to 1,387,435.98, 2,080,908.18 and 376,636.44 is: 564,887.94
Step by Step Solution
- Step 1: Write the proportion equation
1,387,435.98 : 2,080,908.18 = 376,636.44 : x - Step 2: Convert to fraction form
1,387,435.98/2,080,908.18 = 376,636.44/x - Step 3: Cross multiply
1,387,435.98x = 2,080,908.18 × 376,636.44 - Step 4: Simplify right side
1,387,435.98x = 783,745,848,882.08 - Step 5: Solve for x
x = 783,745,848,882.08/1,387,435.98 - Step 6: Final answer
x = 564,887.94
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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.