Finding the Fourth Proportional to 3,429,750.99, 4,728,918.67 and 2,963,772.37
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Solution
The fourth proportional to 3,429,750.99, 4,728,918.67 and 2,963,772.37 is: 4,086,430.34
Step by Step Solution
- Step 1: Write the proportion equation
3,429,750.99 : 4,728,918.67 = 2,963,772.37 : x - Step 2: Convert to fraction form
3,429,750.99/4,728,918.67 = 2,963,772.37/x - Step 3: Cross multiply
3,429,750.99x = 4,728,918.67 × 2,963,772.37 - Step 4: Simplify right side
3,429,750.99x = 14,015,438,494,123.15 - Step 5: Solve for x
x = 14,015,438,494,123.15/3,429,750.99 - Step 6: Final answer
x = 4,086,430.34
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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.