Finding the Fourth Proportional to 1,453,633.11, 2,180,277.95 and 388,757.70
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Solution
The fourth proportional to 1,453,633.11, 2,180,277.95 and 388,757.70 is: 583,090.63
Step by Step Solution
- Step 1: Write the proportion equation
1,453,633.11 : 2,180,277.95 = 388,757.70 : x - Step 2: Convert to fraction form
1,453,633.11/2,180,277.95 = 388,757.70/x - Step 3: Cross multiply
1,453,633.11x = 2,180,277.95 × 388,757.70 - Step 4: Simplify right side
1,453,633.11x = 847,599,839,258.93 - Step 5: Solve for x
x = 847,599,839,258.93/1,453,633.11 - Step 6: Final answer
x = 583,090.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.