Finding the Fourth Proportional to 3,607,954.22, 5,412,062.56 and 1,211,877.02
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Solution
The fourth proportional to 3,607,954.22, 5,412,062.56 and 1,211,877.02 is: 1,817,859.61
Step by Step Solution
- Step 1: Write the proportion equation
3,607,954.22 : 5,412,062.56 = 1,211,877.02 : x - Step 2: Convert to fraction form
3,607,954.22/5,412,062.56 = 1,211,877.02/x - Step 3: Cross multiply
3,607,954.22x = 5,412,062.56 × 1,211,877.02 - Step 4: Simplify right side
3,607,954.22x = 6,558,754,247,266.37 - Step 5: Solve for x
x = 6,558,754,247,266.37/3,607,954.22 - Step 6: Final answer
x = 1,817,859.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.