Finding the Fourth Proportional to 1,674,722.70, 2,311,637.70 and 1,331,168.24
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Solution
The fourth proportional to 1,674,722.70, 2,311,637.70 and 1,331,168.24 is: 1,837,425.79
Step by Step Solution
- Step 1: Write the proportion equation
1,674,722.70 : 2,311,637.70 = 1,331,168.24 : x - Step 2: Convert to fraction form
1,674,722.70/2,311,637.70 = 1,331,168.24/x - Step 3: Cross multiply
1,674,722.70x = 2,311,637.70 × 1,331,168.24 - Step 4: Simplify right side
1,674,722.70x = 3,077,178,686,394.66 - Step 5: Solve for x
x = 3,077,178,686,394.66/1,674,722.70 - Step 6: Final answer
x = 1,837,425.79
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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.