Finding the Fourth Proportional to 2,553,784.58, 3,831,805.26 and 1,339,071.09
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Solution
The fourth proportional to 2,553,784.58, 3,831,805.26 and 1,339,071.09 is: 2,009,198.31
Step by Step Solution
- Step 1: Write the proportion equation
2,553,784.58 : 3,831,805.26 = 1,339,071.09 : x - Step 2: Convert to fraction form
2,553,784.58/3,831,805.26 = 1,339,071.09/x - Step 3: Cross multiply
2,553,784.58x = 3,831,805.26 × 1,339,071.09 - Step 4: Simplify right side
2,553,784.58x = 5,131,059,646,175.93 - Step 5: Solve for x
x = 5,131,059,646,175.93/2,553,784.58 - Step 6: Final answer
x = 2,009,198.31
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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.