Finding the Fourth Proportional to 3,809,491.99, 5,255,602.36 and 2,177,023.57
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Solution
The fourth proportional to 3,809,491.99, 5,255,602.36 and 2,177,023.57 is: 3,003,437.27
Step by Step Solution
- Step 1: Write the proportion equation
3,809,491.99 : 5,255,602.36 = 2,177,023.57 : x - Step 2: Convert to fraction form
3,809,491.99/5,255,602.36 = 2,177,023.57/x - Step 3: Cross multiply
3,809,491.99x = 5,255,602.36 × 2,177,023.57 - Step 4: Simplify right side
3,809,491.99x = 11,441,570,212,267.62 - Step 5: Solve for x
x = 11,441,570,212,267.62/3,809,491.99 - Step 6: Final answer
x = 3,003,437.27
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1.5x scale
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.