Finding the Fourth Proportional to 2,691,187.68, 3,714,738.48 and 1,603,800.48
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Solution
The fourth proportional to 2,691,187.68, 3,714,738.48 and 1,603,800.48 is: 2,213,780.70
Step by Step Solution
- Step 1: Write the proportion equation
2,691,187.68 : 3,714,738.48 = 1,603,800.48 : x - Step 2: Convert to fraction form
2,691,187.68/3,714,738.48 = 1,603,800.48/x - Step 3: Cross multiply
2,691,187.68x = 3,714,738.48 × 1,603,800.48 - Step 4: Simplify right side
2,691,187.68x = 5,957,699,357,298.47 - Step 5: Solve for x
x = 5,957,699,357,298.47/2,691,187.68 - Step 6: Final answer
x = 2,213,780.70
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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.