Finding the Fourth Proportional to 5,353,469.28, 8,031,233.16 and 2,158,918.92
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Solution
The fourth proportional to 5,353,469.28, 8,031,233.16 and 2,158,918.92 is: 3,238,793.45
Step by Step Solution
- Step 1: Write the proportion equation
5,353,469.28 : 8,031,233.16 = 2,158,918.92 : x - Step 2: Convert to fraction form
5,353,469.28/8,031,233.16 = 2,158,918.92/x - Step 3: Cross multiply
5,353,469.28x = 8,031,233.16 × 2,158,918.92 - Step 4: Simplify right side
5,353,469.28x = 17,338,781,220,055.39 - Step 5: Solve for x
x = 17,338,781,220,055.39/5,353,469.28 - Step 6: Final answer
x = 3,238,793.45
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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.