Finding the Fourth Proportional to 1,862,240.40, 2,793,360.60 and 664,201.80
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Solution
The fourth proportional to 1,862,240.40, 2,793,360.60 and 664,201.80 is: 996,302.70
Step by Step Solution
- Step 1: Write the proportion equation
1,862,240.40 : 2,793,360.60 = 664,201.80 : x - Step 2: Convert to fraction form
1,862,240.40/2,793,360.60 = 664,201.80/x - Step 3: Cross multiply
1,862,240.40x = 2,793,360.60 × 664,201.80 - Step 4: Simplify right side
1,862,240.40x = 1,855,355,138,569.08 - Step 5: Solve for x
x = 1,855,355,138,569.08/1,862,240.40 - Step 6: Final answer
x = 996,302.70
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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.