Finding the Fourth Proportional to 2,974,268.20, 4,104,516.06 and 1,616,141.20
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Solution
The fourth proportional to 2,974,268.20, 4,104,516.06 and 1,616,141.20 is: 2,230,288.95
Step by Step Solution
- Step 1: Write the proportion equation
2,974,268.20 : 4,104,516.06 = 1,616,141.20 : x - Step 2: Convert to fraction form
2,974,268.20/4,104,516.06 = 1,616,141.20/x - Step 3: Cross multiply
2,974,268.20x = 4,104,516.06 × 1,616,141.20 - Step 4: Simplify right side
2,974,268.20x = 6,633,477,510,627.67 - Step 5: Solve for x
x = 6,633,477,510,627.67/2,974,268.20 - Step 6: Final answer
x = 2,230,288.95
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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.