Finding the Fourth Proportional to 2,438,597.77, 3,365,220.87 and 1,350,865.98
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Solution
The fourth proportional to 2,438,597.77, 3,365,220.87 and 1,350,865.98 is: 1,864,170.65
Step by Step Solution
- Step 1: Write the proportion equation
2,438,597.77 : 3,365,220.87 = 1,350,865.98 : x - Step 2: Convert to fraction form
2,438,597.77/3,365,220.87 = 1,350,865.98/x - Step 3: Cross multiply
2,438,597.77x = 3,365,220.87 × 1,350,865.98 - Step 4: Simplify right side
2,438,597.77x = 4,545,962,388,469.00 - Step 5: Solve for x
x = 4,545,962,388,469.00/2,438,597.77 - Step 6: Final answer
x = 1,864,170.65
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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.