Finding the Fourth Proportional to 4,323,720.26, 5,966,628.99 and 2,389,931.12
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Solution
The fourth proportional to 4,323,720.26, 5,966,628.99 and 2,389,931.12 is: 3,298,046.92
Step by Step Solution
- Step 1: Write the proportion equation
4,323,720.26 : 5,966,628.99 = 2,389,931.12 : x - Step 2: Convert to fraction form
4,323,720.26/5,966,628.99 = 2,389,931.12/x - Step 3: Cross multiply
4,323,720.26x = 5,966,628.99 × 2,389,931.12 - Step 4: Simplify right side
4,323,720.26x = 14,259,832,310,649.50 - Step 5: Solve for x
x = 14,259,832,310,649.50/4,323,720.26 - Step 6: Final answer
x = 3,298,046.92
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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.