Finding the Fourth Proportional to 5,094,416.22, 7,030,352.43 and 2,918,915.70
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Solution
The fourth proportional to 5,094,416.22, 7,030,352.43 and 2,918,915.70 is: 4,028,136.92
Step by Step Solution
- Step 1: Write the proportion equation
5,094,416.22 : 7,030,352.43 = 2,918,915.70 : x - Step 2: Convert to fraction form
5,094,416.22/7,030,352.43 = 2,918,915.70/x - Step 3: Cross multiply
5,094,416.22x = 7,030,352.43 × 2,918,915.70 - Step 4: Simplify right side
5,094,416.22x = 20,521,006,084,460.15 - Step 5: Solve for x
x = 20,521,006,084,460.15/5,094,416.22 - Step 6: Final answer
x = 4,028,136.92
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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.