Finding the Fourth Proportional to 1,901,919.40, 2,624,917.90 and 1,177,000.58
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Solution
The fourth proportional to 1,901,919.40, 2,624,917.90 and 1,177,000.58 is: 1,624,427.35
Step by Step Solution
- Step 1: Write the proportion equation
1,901,919.40 : 2,624,917.90 = 1,177,000.58 : x - Step 2: Convert to fraction form
1,901,919.40/2,624,917.90 = 1,177,000.58/x - Step 3: Cross multiply
1,901,919.40x = 2,624,917.90 × 1,177,000.58 - Step 4: Simplify right side
1,901,919.40x = 3,089,529,890,752.38 - Step 5: Solve for x
x = 3,089,529,890,752.38/1,901,919.40 - Step 6: Final answer
x = 1,624,427.35
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1.5x scale
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.