Finding the Fourth Proportional to 1,657,872.23, 2,486,808.19 and 459,794.53
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Solution
The fourth proportional to 1,657,872.23, 2,486,808.19 and 459,794.53 is: 689,691.75
Step by Step Solution
- Step 1: Write the proportion equation
1,657,872.23 : 2,486,808.19 = 459,794.53 : x - Step 2: Convert to fraction form
1,657,872.23/2,486,808.19 = 459,794.53/x - Step 3: Cross multiply
1,657,872.23x = 2,486,808.19 × 459,794.53 - Step 4: Simplify right side
1,657,872.23x = 1,143,420,788,188.19 - Step 5: Solve for x
x = 1,143,420,788,188.19/1,657,872.23 - Step 6: Final answer
x = 689,691.75
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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.