Finding the Fourth Proportional to 4,149,107.70, 6,223,661.55 and 1,623,923.70
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Solution
The fourth proportional to 4,149,107.70, 6,223,661.55 and 1,623,923.70 is: 2,435,885.55
Step by Step Solution
- Step 1: Write the proportion equation
4,149,107.70 : 6,223,661.55 = 1,623,923.70 : x - Step 2: Convert to fraction form
4,149,107.70/6,223,661.55 = 1,623,923.70/x - Step 3: Cross multiply
4,149,107.70x = 6,223,661.55 × 1,623,923.70 - Step 4: Simplify right side
4,149,107.70x = 10,106,751,491,823.73 - Step 5: Solve for x
x = 10,106,751,491,823.73/4,149,107.70 - Step 6: Final answer
x = 2,435,885.55
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1.5x scale
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.