Finding the Fourth Proportional to 5,373,239.20, 8,064,265.20 and 5,331,248.80
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Solution
The fourth proportional to 5,373,239.20, 8,064,265.20 and 5,331,248.80 is: 8,001,245.17
Step by Step Solution
- Step 1: Write the proportion equation
5,373,239.20 : 8,064,265.20 = 5,331,248.80 : x - Step 2: Convert to fraction form
5,373,239.20/8,064,265.20 = 5,331,248.80/x - Step 3: Cross multiply
5,373,239.20x = 8,064,265.20 × 5,331,248.80 - Step 4: Simplify right side
5,373,239.20x = 42,992,604,170,381.76 - Step 5: Solve for x
x = 42,992,604,170,381.76/5,373,239.20 - Step 6: Final answer
x = 8,001,245.17
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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.