Finding the Fourth Proportional to 5,380,585.14, 7,424,835.36 and 3,026,135.46
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Solution
The fourth proportional to 5,380,585.14, 7,424,835.36 and 3,026,135.46 is: 4,175,857.64
Step by Step Solution
- Step 1: Write the proportion equation
5,380,585.14 : 7,424,835.36 = 3,026,135.46 : x - Step 2: Convert to fraction form
5,380,585.14/7,424,835.36 = 3,026,135.46/x - Step 3: Cross multiply
5,380,585.14x = 7,424,835.36 × 3,026,135.46 - Step 4: Simplify right side
5,380,585.14x = 22,468,557,567,557.87 - Step 5: Solve for x
x = 22,468,557,567,557.87/5,380,585.14 - Step 6: Final answer
x = 4,175,857.64
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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.