Finding the Fourth Proportional to 2,330,673.12, 3,216,416.22 and 1,284,137.46
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Solution
The fourth proportional to 2,330,673.12, 3,216,416.22 and 1,284,137.46 is: 1,772,157.80
Step by Step Solution
- Step 1: Write the proportion equation
2,330,673.12 : 3,216,416.22 = 1,284,137.46 : x - Step 2: Convert to fraction form
2,330,673.12/3,216,416.22 = 1,284,137.46/x - Step 3: Cross multiply
2,330,673.12x = 3,216,416.22 × 1,284,137.46 - Step 4: Simplify right side
2,330,673.12x = 4,130,320,555,053.60 - Step 5: Solve for x
x = 4,130,320,555,053.60/2,330,673.12 - Step 6: Final answer
x = 1,772,157.80
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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.