Finding the Fourth Proportional to 5,168,487.71, 7,747,940.48 and 2,288,319.95
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Solution
The fourth proportional to 5,168,487.71, 7,747,940.48 and 2,288,319.95 is: 3,430,358.69
Step by Step Solution
- Step 1: Write the proportion equation
5,168,487.71 : 7,747,940.48 = 2,288,319.95 : x - Step 2: Convert to fraction form
5,168,487.71/7,747,940.48 = 2,288,319.95/x - Step 3: Cross multiply
5,168,487.71x = 7,747,940.48 × 2,288,319.95 - Step 4: Simplify right side
5,168,487.71x = 17,729,766,721,615.27 - Step 5: Solve for x
x = 17,729,766,721,615.27/5,168,487.71 - Step 6: Final answer
x = 3,430,358.69
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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.