Finding the Fourth Proportional to 5,915,617.67, 8,163,552.39 and 3,199,363.67
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Solution
The fourth proportional to 5,915,617.67, 8,163,552.39 and 3,199,363.67 is: 4,415,121.87
Step by Step Solution
- Step 1: Write the proportion equation
5,915,617.67 : 8,163,552.39 = 3,199,363.67 : x - Step 2: Convert to fraction form
5,915,617.67/8,163,552.39 = 3,199,363.67/x - Step 3: Cross multiply
5,915,617.67x = 8,163,552.39 × 3,199,363.67 - Step 4: Simplify right side
5,915,617.67x = 26,118,172,934,707.67 - Step 5: Solve for x
x = 26,118,172,934,707.67/5,915,617.67 - Step 6: Final answer
x = 4,415,121.87
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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.