Finding the Fourth Proportional to 2,243,201.20, 3,095,601.91 and 1,224,605.95
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Solution
The fourth proportional to 2,243,201.20, 3,095,601.91 and 1,224,605.95 is: 1,689,947.61
Step by Step Solution
- Step 1: Write the proportion equation
2,243,201.20 : 3,095,601.91 = 1,224,605.95 : x - Step 2: Convert to fraction form
2,243,201.20/3,095,601.91 = 1,224,605.95/x - Step 3: Cross multiply
2,243,201.20x = 3,095,601.91 × 1,224,605.95 - Step 4: Simplify right side
2,243,201.20x = 3,790,892,517,817.37 - Step 5: Solve for x
x = 3,790,892,517,817.37/2,243,201.20 - Step 6: Final answer
x = 1,689,947.61
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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.