Finding the Fourth Proportional to 3,237,907.05, 4,468,194.77 and 1,787,571.81
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Solution
The fourth proportional to 3,237,907.05, 4,468,194.77 and 1,787,571.81 is: 2,466,784.52
Step by Step Solution
- Step 1: Write the proportion equation
3,237,907.05 : 4,468,194.77 = 1,787,571.81 : x - Step 2: Convert to fraction form
3,237,907.05/4,468,194.77 = 1,787,571.81/x - Step 3: Cross multiply
3,237,907.05x = 4,468,194.77 × 1,787,571.81 - Step 4: Simplify right side
3,237,907.05x = 7,987,219,003,503.57 - Step 5: Solve for x
x = 7,987,219,003,503.57/3,237,907.05 - Step 6: Final answer
x = 2,466,784.52
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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.