Finding the Fourth Proportional to 6,415,153.94, 8,852,909.36 and 3,836,834.66
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Solution
The fourth proportional to 6,415,153.94, 8,852,909.36 and 3,836,834.66 is: 5,294,829.99
Step by Step Solution
- Step 1: Write the proportion equation
6,415,153.94 : 8,852,909.36 = 3,836,834.66 : x - Step 2: Convert to fraction form
6,415,153.94/8,852,909.36 = 3,836,834.66/x - Step 3: Cross multiply
6,415,153.94x = 8,852,909.36 × 3,836,834.66 - Step 4: Simplify right side
6,415,153.94x = 33,967,149,474,286.42 - Step 5: Solve for x
x = 33,967,149,474,286.42/6,415,153.94 - Step 6: Final answer
x = 5,294,829.99
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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.