Finding the Fourth Proportional to 3,467,863.06, 4,782,489.95 and 2,977,678.80
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Solution
The fourth proportional to 3,467,863.06, 4,782,489.95 and 2,977,678.80 is: 4,106,482.50
Step by Step Solution
- Step 1: Write the proportion equation
3,467,863.06 : 4,782,489.95 = 2,977,678.80 : x - Step 2: Convert to fraction form
3,467,863.06/4,782,489.95 = 2,977,678.80/x - Step 3: Cross multiply
3,467,863.06x = 4,782,489.95 × 2,977,678.80 - Step 4: Simplify right side
3,467,863.06x = 14,240,718,942,772.26 - Step 5: Solve for x
x = 14,240,718,942,772.26/3,467,863.06 - Step 6: Final answer
x = 4,106,482.50
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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.