Finding the Fourth Proportional to 4,014,496.91, 5,539,857.32 and 2,178,915.75
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Solution
The fourth proportional to 4,014,496.91, 5,539,857.32 and 2,178,915.75 is: 3,006,823.17
Step by Step Solution
- Step 1: Write the proportion equation
4,014,496.91 : 5,539,857.32 = 2,178,915.75 : x - Step 2: Convert to fraction form
4,014,496.91/5,539,857.32 = 2,178,915.75/x - Step 3: Cross multiply
4,014,496.91x = 5,539,857.32 × 2,178,915.75 - Step 4: Simplify right side
4,014,496.91x = 12,070,882,328,706.93 - Step 5: Solve for x
x = 12,070,882,328,706.93/4,014,496.91 - Step 6: Final answer
x = 3,006,823.17
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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.