Finding the Fourth Proportional to 5,380,587.14, 7,424,838.12 and 3,026,137.46
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Solution
The fourth proportional to 5,380,587.14, 7,424,838.12 and 3,026,137.46 is: 4,175,860.40
Step by Step Solution
- Step 1: Write the proportion equation
5,380,587.14 : 7,424,838.12 = 3,026,137.46 : x - Step 2: Convert to fraction form
5,380,587.14/7,424,838.12 = 3,026,137.46/x - Step 3: Cross multiply
5,380,587.14x = 7,424,838.12 × 3,026,137.46 - Step 4: Simplify right side
5,380,587.14x = 22,468,580,769,367.98 - Step 5: Solve for x
x = 22,468,580,769,367.98/5,380,587.14 - Step 6: Final answer
x = 4,175,860.40
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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.