Finding the Fourth Proportional to 1,423,516.61, 1,964,394.37 and 850,872.53
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Solution
The fourth proportional to 1,423,516.61, 1,964,394.37 and 850,872.53 is: 1,174,169.09
Step by Step Solution
- Step 1: Write the proportion equation
1,423,516.61 : 1,964,394.37 = 850,872.53 : x - Step 2: Convert to fraction form
1,423,516.61/1,964,394.37 = 850,872.53/x - Step 3: Cross multiply
1,423,516.61x = 1,964,394.37 × 850,872.53 - Step 4: Simplify right side
1,423,516.61x = 1,671,449,207,519.66 - Step 5: Solve for x
x = 1,671,449,207,519.66/1,423,516.61 - Step 6: Final answer
x = 1,174,169.09
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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.