Finding the Fourth Proportional to 5,696,449.02, 7,861,102.14 and 3,118,144.50
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Solution
The fourth proportional to 5,696,449.02, 7,861,102.14 and 3,118,144.50 is: 4,303,040.77
Step by Step Solution
- Step 1: Write the proportion equation
5,696,449.02 : 7,861,102.14 = 3,118,144.50 : x - Step 2: Convert to fraction form
5,696,449.02/7,861,102.14 = 3,118,144.50/x - Step 3: Cross multiply
5,696,449.02x = 7,861,102.14 × 3,118,144.50 - Step 4: Simplify right side
5,696,449.02x = 24,512,052,401,779.23 - Step 5: Solve for x
x = 24,512,052,401,779.23/5,696,449.02 - Step 6: Final answer
x = 4,303,040.77
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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.