Finding the Fourth Proportional to 2,117,729.99, 2,922,486.09 and 1,150,860.31
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Solution
The fourth proportional to 2,117,729.99, 2,922,486.09 and 1,150,860.31 is: 1,588,197.39
Step by Step Solution
- Step 1: Write the proportion equation
2,117,729.99 : 2,922,486.09 = 1,150,860.31 : x - Step 2: Convert to fraction form
2,117,729.99/2,922,486.09 = 1,150,860.31/x - Step 3: Cross multiply
2,117,729.99x = 2,922,486.09 × 1,150,860.31 - Step 4: Simplify right side
2,117,729.99x = 3,363,373,247,508.09 - Step 5: Solve for x
x = 3,363,373,247,508.09/2,117,729.99 - Step 6: Final answer
x = 1,588,197.39
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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.