Finding the Fourth Proportional to 3,997,754.07, 5,516,901.50 and 2,255,793.18
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Solution
The fourth proportional to 3,997,754.07, 5,516,901.50 and 2,255,793.18 is: 3,112,995.09
Step by Step Solution
- Step 1: Write the proportion equation
3,997,754.07 : 5,516,901.50 = 2,255,793.18 : x - Step 2: Convert to fraction form
3,997,754.07/5,516,901.50 = 2,255,793.18/x - Step 3: Cross multiply
3,997,754.07x = 5,516,901.50 × 2,255,793.18 - Step 4: Simplify right side
3,997,754.07x = 12,444,988,778,431.77 - Step 5: Solve for x
x = 12,444,988,778,431.77/3,997,754.07 - Step 6: Final answer
x = 3,112,995.09
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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.