Finding the Fourth Proportional to 1,423,743.70, 2,135,615.55 and 748,902.10
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Solution
The fourth proportional to 1,423,743.70, 2,135,615.55 and 748,902.10 is: 1,123,353.15
Step by Step Solution
- Step 1: Write the proportion equation
1,423,743.70 : 2,135,615.55 = 748,902.10 : x - Step 2: Convert to fraction form
1,423,743.70/2,135,615.55 = 748,902.10/x - Step 3: Cross multiply
1,423,743.70x = 2,135,615.55 × 748,902.10 - Step 4: Simplify right side
1,423,743.70x = 1,599,366,970,187.65 - Step 5: Solve for x
x = 1,599,366,970,187.65/1,423,743.70 - Step 6: Final answer
x = 1,123,353.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.