Finding the Fourth Proportional to 3,782,491.77, 5,219,625.98 and 2,151,295.95
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Solution
The fourth proportional to 3,782,491.77, 5,219,625.98 and 2,151,295.95 is: 2,968,667.46
Step by Step Solution
- Step 1: Write the proportion equation
3,782,491.77 : 5,219,625.98 = 2,151,295.95 : x - Step 2: Convert to fraction form
3,782,491.77/5,219,625.98 = 2,151,295.95/x - Step 3: Cross multiply
3,782,491.77x = 5,219,625.98 × 2,151,295.95 - Step 4: Simplify right side
3,782,491.77x = 11,228,960,220,532.30 - Step 5: Solve for x
x = 11,228,960,220,532.30/3,782,491.77 - Step 6: Final answer
x = 2,968,667.46
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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.