Finding the Fourth Proportional to 4,214,419.06, 5,815,912.79 and 2,280,679.14
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Solution
The fourth proportional to 4,214,419.06, 5,815,912.79 and 2,280,679.14 is: 3,147,345.04
Step by Step Solution
- Step 1: Write the proportion equation
4,214,419.06 : 5,815,912.79 = 2,280,679.14 : x - Step 2: Convert to fraction form
4,214,419.06/5,815,912.79 = 2,280,679.14/x - Step 3: Cross multiply
4,214,419.06x = 5,815,912.79 × 2,280,679.14 - Step 4: Simplify right side
4,214,419.06x = 13,264,230,939,729.24 - Step 5: Solve for x
x = 13,264,230,939,729.24/4,214,419.06 - Step 6: Final answer
x = 3,147,345.04
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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.