Finding the Fourth Proportional to 1,657,210.26, 2,485,868.85 and 459,144.12
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Solution
The fourth proportional to 1,657,210.26, 2,485,868.85 and 459,144.12 is: 688,730.99
Step by Step Solution
- Step 1: Write the proportion equation
1,657,210.26 : 2,485,868.85 = 459,144.12 : x - Step 2: Convert to fraction form
1,657,210.26/2,485,868.85 = 459,144.12/x - Step 3: Cross multiply
1,657,210.26x = 2,485,868.85 × 459,144.12 - Step 4: Simplify right side
1,657,210.26x = 1,141,372,065,568.66 - Step 5: Solve for x
x = 1,141,372,065,568.66/1,657,210.26 - Step 6: Final answer
x = 688,730.99
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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.