Finding the Fourth Proportional to 4,138,477.20, 6,204,022.20 and 1,613,545.20
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Solution
The fourth proportional to 4,138,477.20, 6,204,022.20 and 1,613,545.20 is: 2,418,877.71
Step by Step Solution
- Step 1: Write the proportion equation
4,138,477.20 : 6,204,022.20 = 1,613,545.20 : x - Step 2: Convert to fraction form
4,138,477.20/6,204,022.20 = 1,613,545.20/x - Step 3: Cross multiply
4,138,477.20x = 6,204,022.20 × 1,613,545.20 - Step 4: Simplify right side
4,138,477.20x = 10,010,470,241,503.44 - Step 5: Solve for x
x = 10,010,470,241,503.44/4,138,477.20 - Step 6: Final answer
x = 2,418,877.71
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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.