Finding the Fourth Proportional to 2,790,190.08, 3,850,588.80 and 1,644,318.72
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Solution
The fourth proportional to 2,790,190.08, 3,850,588.80 and 1,644,318.72 is: 2,269,234.38
Step by Step Solution
- Step 1: Write the proportion equation
2,790,190.08 : 3,850,588.80 = 1,644,318.72 : x - Step 2: Convert to fraction form
2,790,190.08/3,850,588.80 = 1,644,318.72/x - Step 3: Cross multiply
2,790,190.08x = 3,850,588.80 × 1,644,318.72 - Step 4: Simplify right side
2,790,190.08x = 6,331,595,246,862.34 - Step 5: Solve for x
x = 6,331,595,246,862.34/2,790,190.08 - Step 6: Final answer
x = 2,269,234.38
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1.5x scale
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.