Finding the Fourth Proportional to 2,262,428.02, 3,122,823.72 and 1,296,201.70
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Solution
The fourth proportional to 2,262,428.02, 3,122,823.72 and 1,296,201.70 is: 1,789,143.95
Step by Step Solution
- Step 1: Write the proportion equation
2,262,428.02 : 3,122,823.72 = 1,296,201.70 : x - Step 2: Convert to fraction form
2,262,428.02/3,122,823.72 = 1,296,201.70/x - Step 3: Cross multiply
2,262,428.02x = 3,122,823.72 × 1,296,201.70 - Step 4: Simplify right side
2,262,428.02x = 4,047,809,414,664.32 - Step 5: Solve for x
x = 4,047,809,414,664.32/2,262,428.02 - Step 6: Final answer
x = 1,789,143.95
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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.