Finding the Fourth Proportional to 5,319,014.40, 7,973,337.60 and 3,042,201.60
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Solution
The fourth proportional to 5,319,014.40, 7,973,337.60 and 3,042,201.60 is: 4,560,337.42
Step by Step Solution
- Step 1: Write the proportion equation
5,319,014.40 : 7,973,337.60 = 3,042,201.60 : x - Step 2: Convert to fraction form
5,319,014.40/7,973,337.60 = 3,042,201.60/x - Step 3: Cross multiply
5,319,014.40x = 7,973,337.60 × 3,042,201.60 - Step 4: Simplify right side
5,319,014.40x = 24,256,500,404,060.16 - Step 5: Solve for x
x = 24,256,500,404,060.16/5,319,014.40 - Step 6: Final answer
x = 4,560,337.42
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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.