Finding the Fourth Proportional to 1,423,338.62, 2,135,117.34 and 412,474.41
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Solution
The fourth proportional to 1,423,338.62, 2,135,117.34 and 412,474.41 is: 618,743.32
Step by Step Solution
- Step 1: Write the proportion equation
1,423,338.62 : 2,135,117.34 = 412,474.41 : x - Step 2: Convert to fraction form
1,423,338.62/2,135,117.34 = 412,474.41/x - Step 3: Cross multiply
1,423,338.62x = 2,135,117.34 × 412,474.41 - Step 4: Simplify right side
1,423,338.62x = 880,681,265,097.27 - Step 5: Solve for x
x = 880,681,265,097.27/1,423,338.62 - Step 6: Final answer
x = 618,743.32
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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.