Finding the Fourth Proportional to 1,931,440.40, 2,898,197.40 and 809,622.80
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Solution
The fourth proportional to 1,931,440.40, 2,898,197.40 and 809,622.80 is: 1,214,868.81
Step by Step Solution
- Step 1: Write the proportion equation
1,931,440.40 : 2,898,197.40 = 809,622.80 : x - Step 2: Convert to fraction form
1,931,440.40/2,898,197.40 = 809,622.80/x - Step 3: Cross multiply
1,931,440.40x = 2,898,197.40 × 809,622.80 - Step 4: Simplify right side
1,931,440.40x = 2,346,446,693,940.72 - Step 5: Solve for x
x = 2,346,446,693,940.72/1,931,440.40 - Step 6: Final answer
x = 1,214,868.81
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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.