Finding the Fourth Proportional to 5,651,905.35, 8,478,376.43 and 1,865,396.55
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Solution
The fourth proportional to 5,651,905.35, 8,478,376.43 and 1,865,396.55 is: 2,798,265.92
Step by Step Solution
- Step 1: Write the proportion equation
5,651,905.35 : 8,478,376.43 = 1,865,396.55 : x - Step 2: Convert to fraction form
5,651,905.35/8,478,376.43 = 1,865,396.55/x - Step 3: Cross multiply
5,651,905.35x = 8,478,376.43 × 1,865,396.55 - Step 4: Simplify right side
5,651,905.35x = 15,815,534,132,796.34 - Step 5: Solve for x
x = 15,815,534,132,796.34/5,651,905.35 - Step 6: Final answer
x = 2,798,265.92
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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.