Finding the Fourth Proportional to 4,079,435.07, 6,117,046.80 and 1,200,427.74
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Solution
The fourth proportional to 4,079,435.07, 6,117,046.80 and 1,200,427.74 is: 1,800,021.95
Step by Step Solution
- Step 1: Write the proportion equation
4,079,435.07 : 6,117,046.80 = 1,200,427.74 : x - Step 2: Convert to fraction form
4,079,435.07/6,117,046.80 = 1,200,427.74/x - Step 3: Cross multiply
4,079,435.07x = 6,117,046.80 × 1,200,427.74 - Step 4: Simplify right side
4,079,435.07x = 7,343,072,665,598.23 - Step 5: Solve for x
x = 7,343,072,665,598.23/4,079,435.07 - Step 6: Final answer
x = 1,800,021.95
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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.