Finding the Fourth Proportional to 5,186,351.38, 7,779,545.75 and 1,592,118.50
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Solution
The fourth proportional to 5,186,351.38, 7,779,545.75 and 1,592,118.50 is: 2,388,183.48
Step by Step Solution
- Step 1: Write the proportion equation
5,186,351.38 : 7,779,545.75 = 1,592,118.50 : x - Step 2: Convert to fraction form
5,186,351.38/7,779,545.75 = 1,592,118.50/x - Step 3: Cross multiply
5,186,351.38x = 7,779,545.75 × 1,592,118.50 - Step 4: Simplify right side
5,186,351.38x = 12,385,958,710,171.38 - Step 5: Solve for x
x = 12,385,958,710,171.38/5,186,351.38 - Step 6: Final answer
x = 2,388,183.48
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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.