Finding the Fourth Proportional to 2,825,868.16, 3,899,800.40 and 1,618,877.44
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Solution
The fourth proportional to 2,825,868.16, 3,899,800.40 and 1,618,877.44 is: 2,234,109.50
Step by Step Solution
- Step 1: Write the proportion equation
2,825,868.16 : 3,899,800.40 = 1,618,877.44 : x - Step 2: Convert to fraction form
2,825,868.16/3,899,800.40 = 1,618,877.44/x - Step 3: Cross multiply
2,825,868.16x = 3,899,800.40 × 1,618,877.44 - Step 4: Simplify right side
2,825,868.16x = 6,313,298,888,062.98 - Step 5: Solve for x
x = 6,313,298,888,062.98/2,825,868.16 - Step 6: Final answer
x = 2,234,109.50
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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.