Finding the Fourth Proportional to 4,784,164.70, 7,177,629.45 and 1,418,452.70
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Solution
The fourth proportional to 4,784,164.70, 7,177,629.45 and 1,418,452.70 is: 2,128,088.92
Step by Step Solution
- Step 1: Write the proportion equation
4,784,164.70 : 7,177,629.45 = 1,418,452.70 : x - Step 2: Convert to fraction form
4,784,164.70/7,177,629.45 = 1,418,452.70/x - Step 3: Cross multiply
4,784,164.70x = 7,177,629.45 × 1,418,452.70 - Step 4: Simplify right side
4,784,164.70x = 10,181,127,872,952.02 - Step 5: Solve for x
x = 10,181,127,872,952.02/4,784,164.70 - Step 6: Final answer
x = 2,128,088.92
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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.