Finding the Fourth Proportional to 3,797,481.24, 5,240,657.34 and 2,078,603.12
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Solution
The fourth proportional to 3,797,481.24, 5,240,657.34 and 2,078,603.12 is: 2,868,545.23
Step by Step Solution
- Step 1: Write the proportion equation
3,797,481.24 : 5,240,657.34 = 2,078,603.12 : x - Step 2: Convert to fraction form
3,797,481.24/5,240,657.34 = 2,078,603.12/x - Step 3: Cross multiply
3,797,481.24x = 5,240,657.34 × 2,078,603.12 - Step 4: Simplify right side
3,797,481.24x = 10,893,246,697,774.90 - Step 5: Solve for x
x = 10,893,246,697,774.90/3,797,481.24 - Step 6: Final answer
x = 2,868,545.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.