Finding the Fourth Proportional to 2,749,423.50, 4,125,578.67 and 1,997,481.87
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Solution
The fourth proportional to 2,749,423.50, 4,125,578.67 and 1,997,481.87 is: 2,997,271.46
Step by Step Solution
- Step 1: Write the proportion equation
2,749,423.50 : 4,125,578.67 = 1,997,481.87 : x - Step 2: Convert to fraction form
2,749,423.50/4,125,578.67 = 1,997,481.87/x - Step 3: Cross multiply
2,749,423.50x = 4,125,578.67 × 1,997,481.87 - Step 4: Simplify right side
2,749,423.50x = 8,240,768,596,583.71 - Step 5: Solve for x
x = 8,240,768,596,583.71/2,749,423.50 - Step 6: Final answer
x = 2,997,271.46
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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.