Finding the Fourth Proportional to 4,323,515.08, 5,966,571.35 and 2,389,899.99
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Solution
The fourth proportional to 4,323,515.08, 5,966,571.35 and 2,389,899.99 is: 3,298,128.61
Step by Step Solution
- Step 1: Write the proportion equation
4,323,515.08 : 5,966,571.35 = 2,389,899.99 : x - Step 2: Convert to fraction form
4,323,515.08/5,966,571.35 = 2,389,899.99/x - Step 3: Cross multiply
4,323,515.08x = 5,966,571.35 × 2,389,899.99 - Step 4: Simplify right side
4,323,515.08x = 14,259,508,797,765.12 - Step 5: Solve for x
x = 14,259,508,797,765.12/4,323,515.08 - Step 6: Final answer
x = 3,298,128.61
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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.