Finding the Fourth Proportional to 2,775,369.60, 4,166,164.80 and 2,147,068.80
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Solution
The fourth proportional to 2,775,369.60, 4,166,164.80 and 2,147,068.80 is: 3,223,009.45
Step by Step Solution
- Step 1: Write the proportion equation
2,775,369.60 : 4,166,164.80 = 2,147,068.80 : x - Step 2: Convert to fraction form
2,775,369.60/4,166,164.80 = 2,147,068.80/x - Step 3: Cross multiply
2,775,369.60x = 4,166,164.80 × 2,147,068.80 - Step 4: Simplify right side
2,775,369.60x = 8,945,042,457,738.24 - Step 5: Solve for x
x = 8,945,042,457,738.24/2,775,369.60 - Step 6: Final answer
x = 3,223,009.45
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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.