Finding the Fourth Proportional to 5,209,278.62, 7,816,582.43 and 2,479,909.91
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Solution
The fourth proportional to 5,209,278.62, 7,816,582.43 and 2,479,909.91 is: 3,721,133.32
Step by Step Solution
- Step 1: Write the proportion equation
5,209,278.62 : 7,816,582.43 = 2,479,909.91 : x - Step 2: Convert to fraction form
5,209,278.62/7,816,582.43 = 2,479,909.91/x - Step 3: Cross multiply
5,209,278.62x = 7,816,582.43 × 2,479,909.91 - Step 4: Simplify right side
5,209,278.62x = 19,384,420,230,488.88 - Step 5: Solve for x
x = 19,384,420,230,488.88/5,209,278.62 - Step 6: Final answer
x = 3,721,133.32
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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.