Finding the Fourth Proportional to 3,603,014.12, 5,405,292.20 and 1,328,545.08
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Solution
The fourth proportional to 3,603,014.12, 5,405,292.20 and 1,328,545.08 is: 1,993,101.92
Step by Step Solution
- Step 1: Write the proportion equation
3,603,014.12 : 5,405,292.20 = 1,328,545.08 : x - Step 2: Convert to fraction form
3,603,014.12/5,405,292.20 = 1,328,545.08/x - Step 3: Cross multiply
3,603,014.12x = 5,405,292.20 × 1,328,545.08 - Step 4: Simplify right side
3,603,014.12x = 7,181,174,358,272.38 - Step 5: Solve for x
x = 7,181,174,358,272.38/3,603,014.12 - Step 6: Final answer
x = 1,993,101.92
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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.