Finding the Fourth Proportional to 1,332,191.71, 1,838,423.27 and 720,343.01
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Solution
The fourth proportional to 1,332,191.71, 1,838,423.27 and 720,343.01 is: 994,072.65
Step by Step Solution
- Step 1: Write the proportion equation
1,332,191.71 : 1,838,423.27 = 720,343.01 : x - Step 2: Convert to fraction form
1,332,191.71/1,838,423.27 = 720,343.01/x - Step 3: Cross multiply
1,332,191.71x = 1,838,423.27 × 720,343.01 - Step 4: Simplify right side
1,332,191.71x = 1,324,295,346,966.53 - Step 5: Solve for x
x = 1,324,295,346,966.53/1,332,191.71 - Step 6: Final answer
x = 994,072.65
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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.