Finding the Fourth Proportional to 2,167,574.62, 2,991,251.93 and 1,296,409.30
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Solution
The fourth proportional to 2,167,574.62, 2,991,251.93 and 1,296,409.30 is: 1,789,044.21
Step by Step Solution
- Step 1: Write the proportion equation
2,167,574.62 : 2,991,251.93 = 1,296,409.30 : x - Step 2: Convert to fraction form
2,167,574.62/2,991,251.93 = 1,296,409.30/x - Step 3: Cross multiply
2,167,574.62x = 2,991,251.93 × 1,296,409.30 - Step 4: Simplify right side
2,167,574.62x = 3,877,886,820,694.95 - Step 5: Solve for x
x = 3,877,886,820,694.95/2,167,574.62 - Step 6: Final answer
x = 1,789,044.21
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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.