Finding the Fourth Proportional to 4,202,779.18, 6,296,566.09 and 1,930,204.60
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Solution
The fourth proportional to 4,202,779.18, 6,296,566.09 and 1,930,204.60 is: 2,891,815.23
Step by Step Solution
- Step 1: Write the proportion equation
4,202,779.18 : 6,296,566.09 = 1,930,204.60 : x - Step 2: Convert to fraction form
4,202,779.18/6,296,566.09 = 1,930,204.60/x - Step 3: Cross multiply
4,202,779.18x = 6,296,566.09 × 1,930,204.60 - Step 4: Simplify right side
4,202,779.18x = 12,153,660,831,122.01 - Step 5: Solve for x
x = 12,153,660,831,122.01/4,202,779.18 - Step 6: Final answer
x = 2,891,815.23
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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.