Finding the Fourth Proportional to 1,657,872.29, 2,486,808.28 and 459,794.59
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Solution
The fourth proportional to 1,657,872.29, 2,486,808.28 and 459,794.59 is: 689,691.84
Step by Step Solution
- Step 1: Write the proportion equation
1,657,872.29 : 2,486,808.28 = 459,794.59 : x - Step 2: Convert to fraction form
1,657,872.29/2,486,808.28 = 459,794.59/x - Step 3: Cross multiply
1,657,872.29x = 2,486,808.28 × 459,794.59 - Step 4: Simplify right side
1,657,872.29x = 1,143,420,987,868.93 - Step 5: Solve for x
x = 1,143,420,987,868.93/1,657,872.29 - Step 6: Final answer
x = 689,691.84
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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.